Actual dimensions are 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Electro-Air M2-1056 replacement whole house filters, specifically designed to replace the original manufacturer Electro-Air M2-1056 filters. Completely assembled so no forming or combs required. MERV classified to ASHRAE specifications ensuring particle filtration equal to the original manufacturer Electro-Air M2-1056 filters. Note: Sample air filter image displayed is not the actual dimensions and is there to show style purposes. Company names and Electro-Air M2-1056 P/N shown for filter replacement identification purposes.
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