Description
Actual Size: 19.75 x 20.75 x 4.88. Accumulair brand, 20x20x5 Ultravation 91-013 substitute whole house filters, exactly constructed to be an alternative to the OEM Ultravation 91-013 filters. Fully constructed with no assembly or combs required. MERV graded to ASHRAE 52.2 test ratings assuring particle capture to the level of the original manufacturer Ultravation 91-013 air filter. Photo: The sample filter picture displayed is not to scale and is included to show construction only. Name brands and Ultravation 91-013 identifier are shown for air filter substitution identification use.