Description
Actual Size: 20 x 25.25 x 3.75. Accumulair brand, 20x25.25x3.5 Aprilaire 2120 substitute whole house filters, exactly constructed to replace name brand Aprilaire 2120 air filters. Completely constructed with no assembly or combs needed. MERV rated to ASHRAE 52.2 test standards establishing filtration to the level of the name brand Aprilaire 2120 air filters. Photo: Example air filter picture displayed is not to scale and is shown for construction only. Company names and Aprilaire 2120 identifier are listed for air filter substitution purposes.