Description
Actual Dimensions: 19.75 x 24.25 x 4.75. Brand: Accumulair. 20x25x5 Armstrong AMC20A-1 compatible whole house air filters, exactly constructed to substitute for the name brand Armstrong AMC20A-1 air filters. Completely constructed so no forming or combs needed. MERV rated to ASHRAE 52.2 test grades assuring operation as good or better than the name brand Armstrong AMC20A-1 filter. Note: The sample air filter image displayed is not true to size and is included to show style only. Company names and Armstrong AMC20A-1 identifier are shown for air filter substitution identification.