Description
Actual size is 20.25 x 25.38 x 5.25. Accumulair brand, 20x25x5 Nordyne 918378 replacement whole house filters, exactly engineered to substitute for the name brand Nordyne 918378 filters. Fully assembled so no forming or combs needed. MERV rated to ASHRAE 52.2 test ratings assuring particle capture as good or better than the original brand Nordyne 918378 filters. Notice: Example filter picture displayed is not to scale and is shown for style purposes. OEM names and Nordyne 918378 part numbers are listed for filter substitution identification use.