Filtrete 16×20 x 1 in. Flat Panel Air Filter

The Filtrete 16x20x1 Basic Air Filter, made by 3M, helps capture unwanted particles from your household air to contribute to a cleaner, fresher home environment. Use a 3-month pleated 1-inch home air filter in your furnace, air conditioner or HVAC system. For optimal performance of your heating and cooling system or HVAC system, change your furnace filter at least every 90 days.