Description
Actual size is 19.75 x 24.25 x 4.75. Accumulair brand, 20x25x5 GeneralAire 4501 substitute whole house filters, exactly built to be an alternative to the original manufacturer GeneralAire 4501 filters. Completely built with no forming or combs needed. MERV classified to ASHRAE specifications assuring particle capture as good or better than the name brand GeneralAire 4501 air filter. Note: The example filter pic as displayed is not the actual dimensions and is included to show configuration purposes only. Company names and GeneralAire 4501 part numbers are included for air filter style identification.