Description
Actual size is 19.88 x 24.88 x 4.38. Accumulair brand, 20x25x5 GeneralAire GA100A37 style whole house filters, exactly constructed to substitute for the original brand GeneralAire GA100A37 filters. Fully built so no forming or combs required. MERV rated to ASHRAE 52.2 test classifications assuring function to the level of the OEM GeneralAire GA100A37 air filters. Photo: The example filter pic as shown is not true to size and is shown for construction only. Name brands and GeneralAire GA100A37 identifier are included for air filter substitution identification only.