Description
Actual size is 20.75 x 20.25 x 5.25. Accumulair brand, 20x20x5 Electro-Air MU2020 compatible whole house filters, exactly built to be an alternative to the OEM Electro-Air MU2020 air filters. Completely built so no assembly or combs needed. MERV rated to ASHRAE 52.2 test grades establishing particle filtration as good or better than the name brand Electro-Air MU2020 filters. Photo: Sample filter pic as displayed is not the actual dimensions and is there to show configuration only. Trade names and Electro-Air MU2020 part numbers are used for air filter replacement identification use.