Description
Actual dimensions are 19.75 x 24.25 x 4.75. Accumulair brand 20x25x5 Ultravation 91-026 replacement whole house air filters, specifically engineered to be an alternative to the OEM Ultravation 91-026 air filters. Completely built so no assembly or combs required. MERV graded to ASHRAE 52.2 test ratings establishing particulate capture equal to the original brand Ultravation 91-026 air filter. Photo: The sample air filter picture as shown is not the actual dimensions and is shown for style only. OEM names and Ultravation 91-026 part numbers used for filter replacement purposes.