True Blue 16 in. W X 20 in. H X 1 in. D Fiberglass 2 MERV Air Filter 1 pk

The True Blue furnace filter removes impurities from the air before the air is conditioned. Changing your air filter on a regular basis will improve your indoor air quality, improve your health, reduce the amount of dust and dander in the air, and help your HVAC system be more efficient.