18x30x1 MERV 6 Poly Green Air Filter

The Ironside 18x30x1 MERV 6 pleated air filter delivers everyday defense for your home or office — engineered to keep your HVAC system running clean and your air clear.

• Captures dust, lint, pollen, and dust mites
• True 18x30x1 fit — sized to drop straight into standard HVAC and furnace systems
• Electrostatically charged, moisture-resistant pleated media
• Made in the USA
• Replace every 30–90 days for best airflow and efficiency

Built here. Breathe better.