Description
Actual size is 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Nordyne 918377 compatible whole house air filters, specifically designed to be an alternative to the OEM Nordyne 918377 air filters. Completely constructed - no forming or combs needed. MERV rated to ASHRAE 52.2 test classifications establishing operation equal to the OEM Nordyne 918377 filter. Photo: Sample air filter image as shown is not to scale and is shown for construction only. Company names and Nordyne 918377 P/N shown for filter replacement identification use.