Description
Actual dimensions are 19.75 x 20.75 x 4.88. Accumulair brand 20x20x5 Ultravation 91-013 replacement whole house air filters, exactly designed to be an alternative to the original brand Ultravation 91-013 air filters. Fully box-formed with no forming or combs required. MERV rated to ASHRAE 52.2 test ratings ensuring particle capture to the level of the name brand Ultravation 91-013 air filters. Note: The sample air filter picture as shown is not true to size and is included to show design purposes. Trade names and Ultravation 91-013 identifier used for filter style identification use.