Description
Actual dimensions are 20.75 x 20.25 x 5.25. Accumulair brand 20x20x5 Nordyne N-MU2020 compatible whole house filters, exactly designed to replace the name brand Nordyne N-MU2020 filters. Fully constructed with no forming or combs required. MERV classified to ASHRAE 52.2 test standards establishing particulate filtration equal to the OEM Nordyne N-MU2020 filter. Notice: Example air filter image as shown is not to scale and is included to show configuration only. Brand names and Nordyne N-MU2020 part numbers used for air filter style identification use.