Description
Actual size is 19.75 x 24.25 x 4.75. Accumulair brand 20x25x5 GeneralAire 4501 compatible whole house filters, specifically designed to replace original manufacturer GeneralAire 4501 air filters. Completely assembled with no assembly or combs required. MERV graded to ASHRAE classifications ensuring filtration as good or better than the name brand GeneralAire 4501 air filter. Photo: The sample air filter picture shown is not to scale and is there to show design purposes only. OEM names and GeneralAire 4501 identifier displayed for filter substitution purposes only.