Actual Size: 20.75 x 20.25 x 5.25. Brand: Accumulair. 20x20x5 Nordyne MU2020 replacement whole house air filters, exactly engineered to replace OEM Nordyne MU2020 filters. Fully constructed so no assembly or combs required. MERV graded to ASHRAE grades assuring particle filtration equal to the original brand Nordyne MU2020 air filter. Notice: Example air filter image as shown is not true to size and is shown for construction only. Trade names and Nordyne MU2020 identifier displayed for air filter style identification only.
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