Description
Actual dimensions are 20 x 25.88 x 4.88. Accumulair brand, 20x26x5 Electro-Air SST20 style whole house filters, exactly built to substitute for the OEM Electro-Air SST20 filters. Fully box-formed with no forming or combs required. MERV rated to ASHRAE 52.2 test grades ensuring particle capture as good or better than the name brand Electro-Air SST20 filters. Photo: The example filter picture shown is not the actual dimensions and is included to show design only. Company names and Electro-Air SST20 P/N are used for air filter substitution identification purposes.