Description
Actual size is 19.75 x 19.88 x 4.38. Accumulair brand: 20x20x5 GeneralAire GA100A11 substitute whole house filters, exactly built to be an alternative to the original manufacturer GeneralAire GA100A11 air filters. Fully built - no assembly or combs required. MERV classified to ASHRAE grades establishing particulate capture as good or better than the OEM GeneralAire GA100A11 filters. Photo: The example filter image shown is not the actual dimensions and is included to show design only. Company names and GeneralAire GA100A11 identifier displayed for air filter replacement purposes.