Description
Actual Size: 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Westinghouse MU2020 style whole house filters, exactly built to be an alternative to the original manufacturer Westinghouse MU2020 air filters. Fully box-formed so no forming or combs required. MERV rated to ASHRAE ratings assuring filtration as good or better than the original manufacturer Westinghouse MU2020 filters. Notice: The example air filter picture displayed is not to scale and is included to show design purposes. Brand names and Westinghouse MU2020 P/N are listed for filter style purposes only.