3M Filtrete 10x20x1 Air Filter 4-Pack

The 3M Filtrete 10x20x1 AC Furnace Air Filter, MERV 11, offers strong micro allergen defense for cleaner indoor air. Designed for HVAC systems, it efficiently captures dust, pollen, and allergens using pleated electrostatic technology. This four-pack provides up to 3 months of protection per filter, making it ideal for homes seeking improved air quality. The actual dimensions are 9.81 x 19.81 x 0.81 inches.