Actual Dimensions: 19.75 x 20.75 x 4.88. Brand: Accumulair. 20x20x5 Ultravation 91-013 substitute whole house filters, specifically built to substitute for the OEM Ultravation 91-013 air filters. Fully constructed - no forming or combs required. MERV graded to ASHRAE 52.2 test ratings assuring particle capture equal to the name brand Ultravation 91-013 air filters. Note: Example filter pic displayed is not the actual dimensions and is there to show design purposes. Brand names and Ultravation 91-013 identifier are shown for air filter replacement identification purposes only.
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