Description
Actual dimensions are 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Westinghouse NC2020 replacement whole house filters, exactly built to replace original brand Westinghouse NC2020 air filters. Fully box-formed with no forming or combs needed. MERV rated to ASHRAE 52.2 test specs establishing particulate filtration equal to the OEM Westinghouse NC2020 air filters. Photo: The sample filter image as shown is not to scale and is shown for style only. Name brands and Westinghouse NC2020 part numbers displayed for filter replacement identification purposes.