Description
Actual dimensions are 19.88 x 24.88 x 4.38. Accumulair brand 20x25x5 GeneralAire GA100A37 style whole house filters, specifically constructed to replace the original manufacturer GeneralAire GA100A37 filters. Completely box-formed - no assembly or combs required. MERV rated to ASHRAE classifications establishing operation as good or better than the OEM GeneralAire GA100A37 filters. Notice: Sample filter image as shown is not true to size and is displayed for style only. Trade names and GeneralAire GA100A37 identifier displayed for filter style identification purposes.