Description
Actual Dimensions: 19.88 x 24.88 x 4.38. Accumulair brand: 20x25x5 GeneralAire GA100A37 style whole house filters, exactly engineered to be an alternative to the original brand GeneralAire GA100A37 filters. Completely box-formed - no assembly or combs needed. MERV rated to ASHRAE 52.2 test specs ensuring filtration to the level of the original brand GeneralAire GA100A37 filter. Photo: Sample filter image shown is not the actual dimensions and is displayed for design purposes. Trade names and GeneralAire GA100A37 P/N are listed for filter replacement purposes only.