Description
Actual dimensions are 20.75 x 20.25 x 5.25. Brand: Accumulair. 20x20x5 Nordyne N-BB2020 compatible whole house filters, exactly built to replace the name brand Nordyne N-BB2020 filters. Fully built - no forming or combs needed. MERV rated to ASHRAE 52.2 test standards ensuring particle capture as good or better than the original brand Nordyne N-BB2020 air filter. Photo: Sample air filter picture as shown is not true to size and is included to show design only. Name brands and Nordyne N-BB2020 part numbers are included for filter style identification.