Actual Dimensions: 19.75 x 20.75 x 4.88. Accumulair brand, 20x20x5 Ultravation 92-121 replacement whole house filters, specifically built to be an alternative to the original brand Ultravation 92-121 filters. Completely box-formed with no assembly or combs required. MERV classified to ASHRAE standards ensuring particle capture as good or better than the original brand Ultravation 92-121 air filter. Photo: The sample filter picture as shown is not the actual dimensions and is shown for construction only. Brand names and Ultravation 92-121 P/N used for filter style identification use.
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