Actual size is 20.75 x 20.25 x 5.25. Accumulair brand, 20x20x5 Electro-Air CMF2020 style whole house air filters, exactly engineered to be an alternative to the original manufacturer Electro-Air CMF2020 filters. Completely box-formed so no assembly or combs required. MERV rated to ASHRAE 52.2 test classifications establishing particle capture to the level of the name brand Electro-Air CMF2020 filters. Notice: The example filter image displayed is not the actual dimensions and is included to show style purposes. OEM names and Electro-Air CMF2020 identifier are used for air filter style purposes.
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