Description
Actual dimensions are 20.75 x 20.25 x 5.25. Accumulair brand, 20x20x5 Electro-Air MU2020 style whole house filters, specifically engineered to substitute for the original brand Electro-Air MU2020 filters. Fully box-formed - no forming or combs needed. MERV graded to ASHRAE standards establishing particle filtration equal to the OEM Electro-Air MU2020 air filters. Note: Example filter image as displayed is not the actual dimensions and is included to show configuration only. Trade names and Electro-Air MU2020 part numbers are listed for filter replacement identification.