18x20x1 MERV 16 Air Filter

AC Furnace Air Filter - 2.5x the Pleats for Maximum Efficiency & Low Airflow
Pro Strength Filtration for Allergy, Dust, Pollen, Pet Dander, & Mold - 2 Pack

Ironside’s Ultra MERV 16 Pleated AC Furnace Air Filter delivers the highest level of residential and commercial filtration, engineered for environments where superior indoor air quality is essential.

With an advanced pleated design and significantly increased filtration media, this premium air conditioning filter captures extremely fine particles including smoke, bacteria, mold spores, pet allergens, and ultrafine pollutants, while maintaining low airflow resistance for optimal HVAC performance.

Designed with our heavy-duty 2-part reinforced frame, the Ultra MERV 16 provides reliable, long-lasting filtration that helps protect your heating and cooling system and supports cleaner, healthier air throughout your space.

• Actual Size for Perfect Fit: Precisely sized at 17_3/4 x 19_3/4 x 3/4 (17.75 x 19.75 x 0.75) for dependable HVAC compatibility.
• Ultra MERV 16 Rating for Maximum Filtration: This high-efficiency air filter offers 2.5× more filtration media, capturing allergens with exceptional efficiency while maintaining low airflow resistance and extending AC filter life.
• Pro Strength Reinforced Frame: Upgrade to Ironside’s reinforced 2-part frame, built with double the durability to resist bending, bowing, and wear over time.
• Consistent Replacement Schedule: Ironside recommends changing 1" air filters every 30–90 days, based on your environment and air quality needs.
• Made in the USA: Proudly manufactured in the USA, ensuring quality craftsmanship and supporting local production.

Built here. Breathe better. Every Ironside filter is proudly made in the USA.