{"title":"Half-Inch Panel","description":"","products":[{"product_id":"10x20x1-2-half-inch-panel-merv-10","title":"10x20x1\/2 Half Inch Panel MERV 10 Air Filter","description":"\u003cp\u003eThe Ironside 10x20x1\/2 MERV 10 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x20x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x20x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 19.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x20x1-air-filters\"\u003eAll 10x20x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x20x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 10 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x20x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 10 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635844718834,"sku":"10x20x_1\/2_M10-6","price":63.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635844751602,"sku":"10x20x_1\/2_M10-12","price":118.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x20x1-2-half-inch-panel-merv-10.jpg?v=1780790514"},{"product_id":"10x20x1-2-half-inch-panel-merv-12","title":"10x20x1\/2 Half Inch Panel MERV 12 Air Filter","description":"\u003cp\u003eThe Ironside 10x20x1\/2 MERV 12 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x20x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x20x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 19.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x20x1-air-filters\"\u003eAll 10x20x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x20x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 12 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x20x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 12 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635844784370,"sku":"10x20x_1\/2_M12-6","price":66.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635844817138,"sku":"10x20x_1\/2_M12-12","price":122.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x20x1-2-half-inch-panel-merv-12.jpg?v=1780790513"},{"product_id":"10x20x1-2-half-inch-panel-merv-13","title":"10x20x1\/2 Half Inch Panel MERV 13 Air Filter","description":"\u003cp\u003eThe Ironside 10x20x1\/2 MERV 13 pleated air filter delivers maximum protection for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures smoke, bacteria, virus carriers, and wildfire particulates\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x20x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x20x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 19.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x20x1-air-filters\"\u003eAll 10x20x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x20x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 13 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x20x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 13 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635846324466,"sku":"10x20x_1\/2_M13-6","price":72.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635846357234,"sku":"10x20x_1\/2_M13-12","price":127.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x20x1-2-half-inch-panel-merv-13.jpg?v=1780790514"},{"product_id":"10x20x1-2-half-inch-panel-merv-7","title":"10x20x1\/2 Half Inch Panel MERV 7 Air Filter","description":"\u003cp\u003eThe Ironside 10x20x1\/2 MERV 7 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x20x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x20x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 19.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x20x1-air-filters\"\u003eAll 10x20x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x20x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 7 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x20x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 7 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635846422770,"sku":"10x20x_1\/2_M7-6","price":61.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635846455538,"sku":"10x20x_1\/2_M7-12","price":111.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x20x1-2-half-inch-panel-merv-7.jpg?v=1780790514"},{"product_id":"10x20x1-2-half-inch-panel-merv-8","title":"10x20x1\/2 Half Inch Panel MERV 8 Air Filter","description":"\u003cp\u003eThe Ironside 10x20x1\/2 MERV 8 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x20x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x20x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 19.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x20x1-air-filters\"\u003eAll 10x20x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x20x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 8 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x20x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 8 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635846553842,"sku":"10x20x_1\/2_M8-6","price":62.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635846586610,"sku":"10x20x_1\/2_M8-12","price":116.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x20x1-2-half-inch-panel-merv-8.jpg?v=1780790514"},{"product_id":"10x24x1-2-half-inch-panel-merv-10","title":"10x24x1\/2 Half Inch Panel MERV 10 Air Filter","description":"\u003cp\u003eThe Ironside 10x24x1\/2 MERV 10 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x24x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x24x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 23.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x24x1-air-filters\"\u003eAll 10x24x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x24x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 10 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x24x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 10 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635865821426,"sku":"10x24x_1\/2_M10-6","price":66.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635865854194,"sku":"10x24x_1\/2_M10-12","price":115.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x24x1-2-half-inch-panel-merv-10.jpg?v=1780790514"},{"product_id":"10x24x1-2-half-inch-panel-merv-12","title":"10x24x1\/2 Half Inch Panel MERV 12 Air Filter","description":"\u003cp\u003eThe Ironside 10x24x1\/2 MERV 12 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x24x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x24x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 23.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x24x1-air-filters\"\u003eAll 10x24x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x24x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 12 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x24x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 12 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635867361522,"sku":"10x24x_1\/2_M12-6","price":68.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635867394290,"sku":"10x24x_1\/2_M12-12","price":116.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x24x1-2-half-inch-panel-merv-12.jpg?v=1780790514"},{"product_id":"10x24x1-2-half-inch-panel-merv-13","title":"10x24x1\/2 Half Inch Panel MERV 13 Air Filter","description":"\u003cp\u003eThe Ironside 10x24x1\/2 MERV 13 pleated air filter delivers maximum protection for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures smoke, bacteria, virus carriers, and wildfire particulates\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x24x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x24x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 23.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x24x1-air-filters\"\u003eAll 10x24x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x24x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 13 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x24x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 13 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635867427058,"sku":"10x24x_1\/2_M13-6","price":72.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635867459826,"sku":"10x24x_1\/2_M13-12","price":122.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x24x1-2-half-inch-panel-merv-13.jpg?v=1780790514"},{"product_id":"10x24x1-2-half-inch-panel-merv-7","title":"10x24x1\/2 Half Inch Panel MERV 7 Air Filter","description":"\u003cp\u003eThe Ironside 10x24x1\/2 MERV 7 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x24x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x24x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 23.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x24x1-air-filters\"\u003eAll 10x24x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x24x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 7 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x24x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 7 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635867492594,"sku":"10x24x_1\/2_M7-6","price":64.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635867525362,"sku":"10x24x_1\/2_M7-12","price":113.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x24x1-2-half-inch-panel-merv-7.jpg?v=1780790514"},{"product_id":"10x24x1-2-half-inch-panel-merv-8","title":"10x24x1\/2 Half Inch Panel MERV 8 Air Filter","description":"\u003cp\u003eThe Ironside 10x24x1\/2 MERV 8 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x24x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x24x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 23.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x24x1-air-filters\"\u003eAll 10x24x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x24x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 8 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x24x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 8 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635867558130,"sku":"10x24x_1\/2_M8-6","price":65.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635867590898,"sku":"10x24x_1\/2_M8-12","price":114.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x24x1-2-half-inch-panel-merv-8.jpg?v=1780790514"},{"product_id":"10x25x1-2-half-inch-panel-merv-10","title":"10x25x1\/2 Half Inch Panel MERV 10 Air Filter","description":"\u003cp\u003eThe Ironside 10x25x1\/2 MERV 10 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x25x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x25x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 24.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x25x1-air-filters\"\u003eAll 10x25x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x25x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 10 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x25x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 10 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635867623666,"sku":"10x25x_1\/2_M10-6","price":77.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635867656434,"sku":"10x25x_1\/2_M10-12","price":122.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x25x1-2-half-inch-panel-merv-10.jpg?v=1780790514"},{"product_id":"10x25x1-2-half-inch-panel-merv-12","title":"10x25x1\/2 Half Inch Panel MERV 12 Air Filter","description":"\u003cp\u003eThe Ironside 10x25x1\/2 MERV 12 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x25x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x25x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 24.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x25x1-air-filters\"\u003eAll 10x25x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x25x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 12 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x25x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 12 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635869163762,"sku":"10x25x_1\/2_M12-6","price":78.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635869196530,"sku":"10x25x_1\/2_M12-12","price":125.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x25x1-2-half-inch-panel-merv-12.jpg?v=1780790514"},{"product_id":"10x25x1-2-half-inch-panel-merv-13","title":"10x25x1\/2 Half Inch Panel MERV 13 Air Filter","description":"\u003cp\u003eThe Ironside 10x25x1\/2 MERV 13 pleated air filter delivers maximum protection for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures smoke, bacteria, virus carriers, and wildfire particulates\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x25x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x25x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 24.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x25x1-air-filters\"\u003eAll 10x25x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x25x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 13 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x25x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 13 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635869229298,"sku":"10x25x_1\/2_M13-6","price":83.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635869262066,"sku":"10x25x_1\/2_M13-12","price":131.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x25x1-2-half-inch-panel-merv-13.jpg?v=1780790514"},{"product_id":"10x25x1-2-half-inch-panel-merv-7","title":"10x25x1\/2 Half Inch Panel MERV 7 Air Filter","description":"\u003cp\u003eThe Ironside 10x25x1\/2 MERV 7 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x25x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x25x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 24.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x25x1-air-filters\"\u003eAll 10x25x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x25x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 7 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x25x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 7 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635869294834,"sku":"10x25x_1\/2_M7-6","price":75.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635869327602,"sku":"10x25x_1\/2_M7-12","price":119.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x25x1-2-half-inch-panel-merv-7.jpg?v=1780790514"},{"product_id":"10x25x1-2-half-inch-panel-merv-8","title":"10x25x1\/2 Half Inch Panel MERV 8 Air Filter","description":"\u003cp\u003eThe Ironside 10x25x1\/2 MERV 8 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x25x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x25x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 24.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x25x1-air-filters\"\u003eAll 10x25x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x25x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 8 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x25x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 8 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635869360370,"sku":"10x25x_1\/2_M8-6","price":76.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635869393138,"sku":"10x25x_1\/2_M8-12","price":121.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x25x1-2-half-inch-panel-merv-8.jpg?v=1780790514"},{"product_id":"10x30x1-2-half-inch-panel-merv-10","title":"10x30x1\/2 Half Inch Panel MERV 10 Air Filter","description":"\u003cp\u003eThe Ironside 10x30x1\/2 MERV 10 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x30x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x30x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 29.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x30x1-air-filters\"\u003eAll 10x30x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x30x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 10 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x30x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 10 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635876995314,"sku":"10x30x_1\/2_M10-6","price":86.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x30x1-2-half-inch-panel-merv-10.jpg?v=1780790514"},{"product_id":"10x30x1-2-half-inch-panel-merv-12","title":"10x30x1\/2 Half Inch Panel MERV 12 Air Filter","description":"\u003cp\u003eThe Ironside 10x30x1\/2 MERV 12 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x30x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x30x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 29.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x30x1-air-filters\"\u003eAll 10x30x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x30x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 12 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x30x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 12 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635877028082,"sku":"10x30x_1\/2_M12-6","price":88.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x30x1-2-half-inch-panel-merv-12.jpg?v=1780790514"},{"product_id":"10x30x1-2-half-inch-panel-merv-13","title":"10x30x1\/2 Half Inch Panel MERV 13 Air Filter","description":"\u003cp\u003eThe Ironside 10x30x1\/2 MERV 13 pleated air filter delivers maximum protection for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures smoke, bacteria, virus carriers, and wildfire particulates\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x30x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x30x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 29.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x30x1-air-filters\"\u003eAll 10x30x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x30x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 13 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x30x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 13 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635877060850,"sku":"10x30x_1\/2_M13-6","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x30x1-2-half-inch-panel-merv-13.jpg?v=1780790514"},{"product_id":"10x30x1-2-half-inch-panel-merv-7","title":"10x30x1\/2 Half Inch Panel MERV 7 Air Filter","description":"\u003cp\u003eThe Ironside 10x30x1\/2 MERV 7 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x30x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x30x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 29.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x30x1-air-filters\"\u003eAll 10x30x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x30x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 7 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x30x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 7 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635877093618,"sku":"10x30x_1\/2_M7-6","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x30x1-2-half-inch-panel-merv-7.jpg?v=1780790514"},{"product_id":"10x30x1-2-half-inch-panel-merv-8","title":"10x30x1\/2 Half Inch Panel MERV 8 Air Filter","description":"\u003cp\u003eThe Ironside 10x30x1\/2 MERV 8 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 10x30x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10x30x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e9.5 × 29.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/10x30x1-air-filters\"\u003eAll 10x30x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 10x30x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 10x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 8 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 10x30x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 10x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 8 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635878600946,"sku":"10x30x_1\/2_M8-6","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/10x30x1-2-half-inch-panel-merv-8.jpg?v=1780790514"},{"product_id":"12x12x1-2-half-inch-panel-merv-10","title":"12x12x1\/2 Half Inch Panel MERV 10 Air Filter","description":"\u003cp\u003eThe Ironside 12x12x1\/2 MERV 10 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x12x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x12x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 11.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x12x1-air-filters\"\u003eAll 12x12x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x12x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x12x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 10 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x12x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x12x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 10 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635891577074,"sku":"12x12x_1\/2_M10-6","price":63.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635891609842,"sku":"12x12x_1\/2_M10-12","price":104.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x12x1-2-half-inch-panel-merv-10.jpg?v=1780790514"},{"product_id":"12x12x1-2-half-inch-panel-merv-12","title":"12x12x1\/2 Half Inch Panel MERV 12 Air Filter","description":"\u003cp\u003eThe Ironside 12x12x1\/2 MERV 12 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x12x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x12x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 11.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x12x1-air-filters\"\u003eAll 12x12x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x12x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x12x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 12 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x12x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x12x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 12 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635891642610,"sku":"12x12x_1\/2_M12-6","price":64.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635891675378,"sku":"12x12x_1\/2_M12-12","price":105.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x12x1-2-half-inch-panel-merv-12.jpg?v=1780790514"},{"product_id":"12x12x1-2-half-inch-panel-merv-13","title":"12x12x1\/2 Half Inch Panel MERV 13 Air Filter","description":"\u003cp\u003eThe Ironside 12x12x1\/2 MERV 13 pleated air filter delivers maximum protection for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures smoke, bacteria, virus carriers, and wildfire particulates\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x12x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x12x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 11.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x12x1-air-filters\"\u003eAll 12x12x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x12x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x12x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 13 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x12x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x12x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 13 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635893182706,"sku":"12x12x_1\/2_M13-6","price":65.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635893215474,"sku":"12x12x_1\/2_M13-12","price":111.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x12x1-2-half-inch-panel-merv-13.jpg?v=1780790515"},{"product_id":"12x12x1-2-half-inch-panel-merv-7","title":"12x12x1\/2 Half Inch Panel MERV 7 Air Filter","description":"\u003cp\u003eThe Ironside 12x12x1\/2 MERV 7 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x12x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x12x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 11.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x12x1-air-filters\"\u003eAll 12x12x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x12x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x12x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 7 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x12x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x12x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 7 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635893313778,"sku":"12x12x_1\/2_M7-6","price":61.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635893346546,"sku":"12x12x_1\/2_M7-12","price":92.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x12x1-2-half-inch-panel-merv-7.jpg?v=1780790514"},{"product_id":"12x12x1-2-half-inch-panel-merv-8","title":"12x12x1\/2 Half Inch Panel MERV 8 Air Filter","description":"\u003cp\u003eThe Ironside 12x12x1\/2 MERV 8 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x12x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x12x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 11.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x12x1-air-filters\"\u003eAll 12x12x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x12x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x12x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 8 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x12x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x12x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 8 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635893379314,"sku":"12x12x_1\/2_M8-6","price":62.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635893412082,"sku":"12x12x_1\/2_M8-12","price":108.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x12x1-2-half-inch-panel-merv-8.jpg?v=1780790515"},{"product_id":"12x20x1-2-half-inch-panel-merv-10","title":"12x20x1\/2 Half Inch Panel MERV 10 Air Filter","description":"\u003cp\u003eThe Ironside 12x20x1\/2 MERV 10 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x20x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x20x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 19.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x20x1-air-filters\"\u003eAll 12x20x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x20x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 10 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x20x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 10 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635929915634,"sku":"12x20x_1\/2_M10-6","price":65.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635929948402,"sku":"12x20x_1\/2_M10-12","price":113.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x20x1-2-half-inch-panel-merv-10.jpg?v=1780790515"},{"product_id":"12x20x1-2-half-inch-panel-merv-12","title":"12x20x1\/2 Half Inch Panel MERV 12 Air Filter","description":"\u003cp\u003eThe Ironside 12x20x1\/2 MERV 12 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x20x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x20x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 19.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x20x1-air-filters\"\u003eAll 12x20x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x20x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 12 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x20x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 12 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635930013938,"sku":"12x20x_1\/2_M12-6","price":66.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635930046706,"sku":"12x20x_1\/2_M12-12","price":116.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x20x1-2-half-inch-panel-merv-12.jpg?v=1780790515"},{"product_id":"12x20x1-2-half-inch-panel-merv-13","title":"12x20x1\/2 Half Inch Panel MERV 13 Air Filter","description":"\u003cp\u003eThe Ironside 12x20x1\/2 MERV 13 pleated air filter delivers maximum protection for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures smoke, bacteria, virus carriers, and wildfire particulates\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x20x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x20x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 19.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x20x1-air-filters\"\u003eAll 12x20x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x20x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 13 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x20x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 13 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635930079474,"sku":"12x20x_1\/2_M13-6","price":71.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635930112242,"sku":"12x20x_1\/2_M13-12","price":122.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x20x1-2-half-inch-panel-merv-13.jpg?v=1780790515"},{"product_id":"12x20x1-2-half-inch-panel-merv-7","title":"12x20x1\/2 Half Inch Panel MERV 7 Air Filter","description":"\u003cp\u003eThe Ironside 12x20x1\/2 MERV 7 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x20x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x20x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 19.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x20x1-air-filters\"\u003eAll 12x20x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x20x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 7 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x20x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 7 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635931652338,"sku":"12x20x_1\/2_M7-6","price":63.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635931685106,"sku":"12x20x_1\/2_M7-12","price":109.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x20x1-2-half-inch-panel-merv-7.jpg?v=1780790515"},{"product_id":"12x20x1-2-half-inch-panel-merv-8","title":"12x20x1\/2 Half Inch Panel MERV 8 Air Filter","description":"\u003cp\u003eThe Ironside 12x20x1\/2 MERV 8 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x20x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x20x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 19.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x20x1-air-filters\"\u003eAll 12x20x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x20x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 8 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x20x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x20x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 8 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635931717874,"sku":"12x20x_1\/2_M8-6","price":64.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635931750642,"sku":"12x20x_1\/2_M8-12","price":111.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x20x1-2-half-inch-panel-merv-8.jpg?v=1780790515"},{"product_id":"12x24x1-2-half-inch-panel-merv-10","title":"12x24x1\/2 Half Inch Panel MERV 10 Air Filter","description":"\u003cp\u003eThe Ironside 12x24x1\/2 MERV 10 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x24x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x24x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 23.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x24x1-air-filters\"\u003eAll 12x24x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x24x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 10 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x24x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 10 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635946791154,"sku":"12x24x_1\/2_M10-6","price":66.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635946823922,"sku":"12x24x_1\/2_M10-12","price":118.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/MERV10.png?v=1780790448"},{"product_id":"12x24x1-2-half-inch-panel-merv-12","title":"12x24x1\/2 Half Inch Panel MERV 12 Air Filter","description":"\u003cp\u003eThe Ironside 12x24x1\/2 MERV 12 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x24x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x24x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 23.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x24x1-air-filters\"\u003eAll 12x24x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x24x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 12 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x24x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 12 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635946856690,"sku":"12x24x_1\/2_M12-6","price":68.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635946889458,"sku":"12x24x_1\/2_M12-12","price":125.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/MERV12.png?v=1780790448"},{"product_id":"12x24x1-2-half-inch-panel-merv-13","title":"12x24x1\/2 Half Inch Panel MERV 13 Air Filter","description":"\u003cp\u003eThe Ironside 12x24x1\/2 MERV 13 pleated air filter delivers maximum protection for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures smoke, bacteria, virus carriers, and wildfire particulates\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x24x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x24x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 23.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x24x1-air-filters\"\u003eAll 12x24x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x24x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 13 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x24x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 13 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635946922226,"sku":"12x24x_1\/2_M13-6","price":77.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635946954994,"sku":"12x24x_1\/2_M13-12","price":127.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/MERV13.png?v=1780790448"},{"product_id":"12x24x1-2-half-inch-panel-merv-7","title":"12x24x1\/2 Half Inch Panel MERV 7 Air Filter","description":"\u003cp\u003eThe Ironside 12x24x1\/2 MERV 7 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x24x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x24x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 23.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x24x1-air-filters\"\u003eAll 12x24x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x24x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 7 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x24x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 7 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635946987762,"sku":"12x24x_1\/2_M7-6","price":64.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635947020530,"sku":"12x24x_1\/2_M7-12","price":116.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/MERV7.png?v=1780790448"},{"product_id":"12x24x1-2-half-inch-panel-merv-8","title":"12x24x1\/2 Half Inch Panel MERV 8 Air Filter","description":"\u003cp\u003eThe Ironside 12x24x1\/2 MERV 8 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x24x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x24x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 23.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x24x1-air-filters\"\u003eAll 12x24x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x24x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 8 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x24x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x24x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 8 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635948527858,"sku":"12x24x_1\/2_M8-6","price":65.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635948560626,"sku":"12x24x_1\/2_M8-12","price":117.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/MERV8.png?v=1780790448"},{"product_id":"12x25x1-2-half-inch-panel-merv-10","title":"12x25x1\/2 Half Inch Panel MERV 10 Air Filter","description":"\u003cp\u003eThe Ironside 12x25x1\/2 MERV 10 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x25x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x25x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 24.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x25x1-air-filters\"\u003eAll 12x25x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x25x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 10 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x25x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 10 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635969990898,"sku":"12x25x_1\/2_M10-6","price":78.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635970023666,"sku":"12x25x_1\/2_M10-12","price":137.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x25x1-2-half-inch-panel-merv-10.jpg?v=1780790599"},{"product_id":"12x25x1-2-half-inch-panel-merv-12","title":"12x25x1\/2 Half Inch Panel MERV 12 Air Filter","description":"\u003cp\u003eThe Ironside 12x25x1\/2 MERV 12 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x25x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x25x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 24.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x25x1-air-filters\"\u003eAll 12x25x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x25x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 12 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x25x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 12 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635970056434,"sku":"12x25x_1\/2_M12-6","price":79.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635970089202,"sku":"12x25x_1\/2_M12-12","price":138.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x25x1-2-half-inch-panel-merv-12.jpg?v=1780790599"},{"product_id":"12x25x1-2-half-inch-panel-merv-13","title":"12x25x1\/2 Half Inch Panel MERV 13 Air Filter","description":"\u003cp\u003eThe Ironside 12x25x1\/2 MERV 13 pleated air filter delivers maximum protection for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures smoke, bacteria, virus carriers, and wildfire particulates\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x25x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x25x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 24.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x25x1-air-filters\"\u003eAll 12x25x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x25x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 13 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x25x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 13 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635970154738,"sku":"12x25x_1\/2_M13-6","price":83.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635970187506,"sku":"12x25x_1\/2_M13-12","price":149.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x25x1-2-half-inch-panel-merv-13.jpg?v=1780790600"},{"product_id":"12x25x1-2-half-inch-panel-merv-7","title":"12x25x1\/2 Half Inch Panel MERV 7 Air Filter","description":"\u003cp\u003eThe Ironside 12x25x1\/2 MERV 7 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x25x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x25x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 24.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x25x1-air-filters\"\u003eAll 12x25x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x25x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 7 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x25x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 7 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635970220274,"sku":"12x25x_1\/2_M7-6","price":76.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635970253042,"sku":"12x25x_1\/2_M7-12","price":135.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x25x1-2-half-inch-panel-merv-7.jpg?v=1780790600"},{"product_id":"12x25x1-2-half-inch-panel-merv-8","title":"12x25x1\/2 Half Inch Panel MERV 8 Air Filter","description":"\u003cp\u003eThe Ironside 12x25x1\/2 MERV 8 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x25x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x25x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 24.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x25x1-air-filters\"\u003eAll 12x25x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x25x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 8 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x25x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x25x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 8 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635971760370,"sku":"12x25x_1\/2_M8-6","price":77.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49635971793138,"sku":"12x25x_1\/2_M8-12","price":136.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x25x1-2-half-inch-panel-merv-8.jpg?v=1780790600"},{"product_id":"12x30x1-2-half-inch-panel-merv-10","title":"12x30x1\/2 Half Inch Panel MERV 10 Air Filter","description":"\u003cp\u003eThe Ironside 12x30x1\/2 MERV 10 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x30x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x30x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 29.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x30x1-air-filters\"\u003eAll 12x30x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x30x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 10 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x30x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 10 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635986342130,"sku":"12x30x_1\/2_M10-6","price":85.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x30x1-2-half-inch-panel-merv-10.jpg?v=1780790599"},{"product_id":"12x30x1-2-half-inch-panel-merv-12","title":"12x30x1\/2 Half Inch Panel MERV 12 Air Filter","description":"\u003cp\u003eThe Ironside 12x30x1\/2 MERV 12 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x30x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x30x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 29.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x30x1-air-filters\"\u003eAll 12x30x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x30x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 12 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x30x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 12 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635986374898,"sku":"12x30x_1\/2_M12-6","price":88.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x30x1-2-half-inch-panel-merv-12.jpg?v=1780790600"},{"product_id":"12x30x1-2-half-inch-panel-merv-13","title":"12x30x1\/2 Half Inch Panel MERV 13 Air Filter","description":"\u003cp\u003eThe Ironside 12x30x1\/2 MERV 13 pleated air filter delivers maximum protection for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures smoke, bacteria, virus carriers, and wildfire particulates\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x30x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x30x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 29.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x30x1-air-filters\"\u003eAll 12x30x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x30x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 13 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x30x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 13 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635986407666,"sku":"12x30x_1\/2_M13-6","price":94.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x30x1-2-half-inch-panel-merv-13.jpg?v=1780790600"},{"product_id":"12x30x1-2-half-inch-panel-merv-7","title":"12x30x1\/2 Half Inch Panel MERV 7 Air Filter","description":"\u003cp\u003eThe Ironside 12x30x1\/2 MERV 7 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x30x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x30x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 29.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x30x1-air-filters\"\u003eAll 12x30x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x30x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 7 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x30x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 7 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635987980530,"sku":"12x30x_1\/2_M7-6","price":83.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x30x1-2-half-inch-panel-merv-7.jpg?v=1780790600"},{"product_id":"12x30x1-2-half-inch-panel-merv-8","title":"12x30x1\/2 Half Inch Panel MERV 8 Air Filter","description":"\u003cp\u003eThe Ironside 12x30x1\/2 MERV 8 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 12x30x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12x30x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e11.5 × 29.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/12x30x1-air-filters\"\u003eAll 12x30x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 12x30x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 12x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 8 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 12x30x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 12x30x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 8 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49635988046066,"sku":"12x30x_1\/2_M8-6","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/12x30x1-2-half-inch-panel-merv-8.jpg?v=1780790600"},{"product_id":"14x14x1-2-half-inch-panel-merv-10","title":"14x14x1\/2 Half Inch Panel MERV 10 Air Filter","description":"\u003cp\u003eThe Ironside 14x14x1\/2 MERV 10 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 14x14x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14x14x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.5 × 13.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/14x14x1-air-filters\"\u003eAll 14x14x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 14x14x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 14x14x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 10 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 14x14x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 14x14x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 10 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 10 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49636001808626,"sku":"14x14x_1\/2_M10-6","price":73.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49636001841394,"sku":"14x14x_1\/2_M10-12","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/14x14x1-2-half-inch-panel-merv-10.jpg?v=1780790599"},{"product_id":"14x14x1-2-half-inch-panel-merv-12","title":"14x14x1\/2 Half Inch Panel MERV 12 Air Filter","description":"\u003cp\u003eThe Ironside 14x14x1\/2 MERV 12 pleated air filter delivers allergy \u0026amp; pet defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures pet dander, mold spores, and fine allergens\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 14x14x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14x14x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.5 × 13.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/14x14x1-air-filters\"\u003eAll 14x14x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 14x14x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 14x14x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 12 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 14x14x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 14x14x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 12 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 12 captures pet dander, mold spores, fine dust and pollen — the sweet spot for homes with pets or mild allergies.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49636003381490,"sku":"14x14x_1\/2_M12-6","price":76.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49636003414258,"sku":"14x14x_1\/2_M12-12","price":132.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/14x14x1-2-half-inch-panel-merv-12.jpg?v=1780790599"},{"product_id":"14x14x1-2-half-inch-panel-merv-13","title":"14x14x1\/2 Half Inch Panel MERV 13 Air Filter","description":"\u003cp\u003eThe Ironside 14x14x1\/2 MERV 13 pleated air filter delivers maximum protection for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures smoke, bacteria, virus carriers, and wildfire particulates\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 14x14x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14x14x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.5 × 13.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/14x14x1-air-filters\"\u003eAll 14x14x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 14x14x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 14x14x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 13 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 14x14x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 14x14x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 13 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 13 captures fine particles including smoke, bacteria-sized particles and the dust that reaches deep into lungs — the right choice for allergies, asthma and wildfire season.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49636003447026,"sku":"14x14x_1\/2_M13-6","price":83.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49636003479794,"sku":"14x14x_1\/2_M13-12","price":138.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/14x14x1-2-half-inch-panel-merv-13.jpg?v=1780790600"},{"product_id":"14x14x1-2-half-inch-panel-merv-7","title":"14x14x1\/2 Half Inch Panel MERV 7 Air Filter","description":"\u003cp\u003eThe Ironside 14x14x1\/2 MERV 7 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 14x14x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14x14x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.5 × 13.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/14x14x1-air-filters\"\u003eAll 14x14x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 14x14x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 14x14x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 7 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 14x14x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 14x14x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 7 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 7 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Is this filter made in the USA?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49636003512562,"sku":"14x14x_1\/2_M7-6","price":71.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49636003545330,"sku":"14x14x_1\/2_M7-12","price":127.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/14x14x1-2-half-inch-panel-merv-7.jpg?v=1780790600"},{"product_id":"14x14x1-2-half-inch-panel-merv-8","title":"14x14x1\/2 Half Inch Panel MERV 8 Air Filter","description":"\u003cp\u003eThe Ironside 14x14x1\/2 MERV 8 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCaptures dust, lint, pollen, and dust mites\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eTrue 14x14x1\/2 fit\u003c\/b\u003e — sized to drop straight into standard HVAC and furnace systems\u003c\/li\u003e\n\u003cli\u003eElectrostatically charged, moisture-resistant pleated media\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003cli\u003eReplace every 30–90 days for best airflow and efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cb\u003eBuilt here. Breathe better.\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv data-ironside-specs\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eNominal size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e14x14x1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActual size\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13.5 × 13.5 × 0.75 in (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMERV rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFilter type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePleated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMedia\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectrostatic synthetic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eReplace\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eEvery 90 days\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMade in\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA, by our manufacturing partners\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"\/collections\/14x14x1-air-filters\"\u003eAll 14x14x1 filters →\u003c\/a\u003e · \u003ca href=\"\/blogs\/news\/what-merv-rating-do-i-need\"\u003eWhich MERV do I need?\u003c\/a\u003e\u003c\/p\u003e\n\u003ch2\u003eProduct FAQ\u003c\/h2\u003e\n\u003ch3\u003eWill a 14x14x1 filter fit my system?\u003c\/h3\u003e\n\u003cp\u003eIf your slot or old filter says 14x14x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\u003c\/p\u003e\n\u003ch3\u003eWhat does MERV 8 capture?\u003c\/h3\u003e\n\u003cp\u003eMERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\u003c\/p\u003e\n\u003ch3\u003eHow many packs should I buy?\u003c\/h3\u003e\n\u003cp\u003eShipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. Four filters covers a year at the 90-day schedule.\u003c\/p\u003e\n\u003ch3\u003eIs this filter made in the USA?\u003c\/h3\u003e\n\u003cp\u003eYes — American-made by our manufacturing partners with electrostatic synthetic media in heavy-duty frames. Built here. Breathe better.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\" data-ironside-faq\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will a 14x14x1 filter fit my system?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"If your slot or old filter says 14x14x1, yes — nominal sizes are standardized. Actual size runs about half an inch under nominal so it slides in without jamming.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does MERV 8 capture?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"MERV 8 captures everyday dust, lint and pollen — solid baseline protection for homes without allergy concerns.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How many packs should I buy?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Shipping is flat-rate and stays the same on 1, 2 or 3 packs — so a year's supply in one order is the cheapest way to buy. 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Breathe better.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\u003c\/div\u003e","brand":"Ironside","offers":[{"title":"6-Pack","offer_id":49636003774706,"sku":"14x14x_1\/2_M8-6","price":72.99,"currency_code":"USD","in_stock":true},{"title":"12-Pack","offer_id":49636003807474,"sku":"14x14x_1\/2_M8-12","price":128.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/files\/14x14x1-2-half-inch-panel-merv-8.jpg?v=1780790600"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0820\/6152\/5234\/collections\/half-inch-panel.png?v=1781026609","url":"https:\/\/getironside.com\/collections\/half-inch-panel.oembed?page=6","provider":"Ironside.","version":"1.0","type":"link"}