Description
Actual dimensions are 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Nordyne 918396 style whole house filters, exactly built to replace the original manufacturer Nordyne 918396 filters. Completely built so no forming or combs needed. MERV rated to ASHRAE 52.2 test classifications establishing particulate filtration to the level of the OEM Nordyne 918396 air filter. Photo: The sample filter pic as shown is not to scale and is shown for construction purposes only. Name brands and Nordyne 918396 identifier displayed for filter replacement identification.