Description
Actual Dimensions: 19.75 x 24.25 x 4.75. Brand: Accumulair. 20x25x5 Armstrong AE20A-1 substitute whole house filters, specifically constructed to substitute for the original brand Armstrong AE20A-1 air filters. Completely built - no forming or combs required. MERV rated to ASHRAE 52.2 test specifications ensuring performance equal to the name brand Armstrong AE20A-1 filter. Notice: The example air filter picture shown is not to scale and is shown for style purposes only. Company names and Armstrong AE20A-1 P/N are shown for air filter style identification purposes.