Description
Actual size is 20.75 x 20.25 x 5.25. Accumulair brand, 20x20x5 Nordyne 918377 substitute whole house air filters, specifically constructed to substitute for the OEM Nordyne 918377 air filters. Completely built with no forming or combs needed. MERV graded to ASHRAE 52.2 test standards assuring filtration equal to the original brand Nordyne 918377 air filter. Note: The sample air filter picture as displayed is not true to size and is included to show configuration purposes. Brand names and Nordyne 918377 part numbers displayed for air filter replacement identification purposes.