Description
Actual Size: 19.75 x 24.25 x 4.75. Accumulair brand: 20x25x5 Armstrong ABS20A-1 replacement whole house air filters, specifically constructed to substitute for the name brand Armstrong ABS20A-1 filters. Fully constructed with no assembly or combs needed. MERV graded to ASHRAE 52.2 test ratings establishing filtration as good or better than the original manufacturer Armstrong ABS20A-1 air filter. Photo: The sample filter picture as shown is not the actual dimensions and is shown for configuration only. Brand names and Armstrong ABS20A-1 identifier are included for filter replacement identification purposes only.