Description
Actual Size: 19.75 x 24.25 x 4.75. Accumulair brand, 20x25x5 Armstrong AE20A-1 style whole house air filters, exactly constructed to be an alternative to the original brand Armstrong AE20A-1 air filters. Completely constructed with no forming or combs needed. MERV graded to ASHRAE specifications establishing function to the level of the original brand Armstrong AE20A-1 air filter. Notice: The example air filter picture displayed is not true to size and is shown for construction only. Company names and Armstrong AE20A-1 part numbers are shown for air filter substitution identification.