Description
Actual size is 20.75 x 20.25 x 5.25. Brand: Accumulair. 20x20x5 Westinghouse MU2020 style whole house air filters, specifically engineered to be an alternative to the name brand Westinghouse MU2020 air filters. Completely built so no forming or combs required. MERV graded to ASHRAE 52.2 test ratings establishing function as good or better than the original brand Westinghouse MU2020 filter. Note: Sample air filter picture as displayed is not to scale and is shown for design purposes only. Trade names and Westinghouse MU2020 identifier shown for filter style purposes only.