Description
Actual Dimensions: 19.75 x 24.25 x 4.75. Accumulair brand, 20x25x5 Armstrong AE20A-1 compatible whole house filters, specifically constructed to be an alternative to the original manufacturer Armstrong AE20A-1 filters. Fully assembled with no assembly or combs needed. MERV graded to ASHRAE 52.2 test ratings establishing performance to the level of the name brand Armstrong AE20A-1 filter. Note: The example filter pic shown is not to scale and is shown for construction purposes only. Name brands and Armstrong AE20A-1 part numbers are shown for filter substitution purposes only.