Do It Best 16 In. X 20 In. X 1 In. Merv 10 Furnace Filter (6-pack)

This high-efficiency air filter features a MERV 10 rating capturing a high percentage of airborne particles and allergens. High-efficiency air cleaning filters are electrostatically charged to trap dust particles while remaining effective against a series of other contaminants. This air filter features easy flow energy efficiency. Filter lasts up to 3 months.