Actual Size: 20.75 x 20.25 x 5.25. Brand: Accumulair. 20x20x5 Nordyne N-BB2020 style whole house air filters, exactly engineered to be an alternative to the OEM Nordyne N-BB2020 filters. Fully box-formed so no forming or combs required. MERV rated to ASHRAE standards ensuring particulate capture equal to the OEM Nordyne N-BB2020 filters. Photo: The sample air filter pic displayed is not the actual dimensions and is there to show configuration purposes only. Trade names and Nordyne N-BB2020 P/N are included for air filter replacement identification.
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