Actual dimensions are 19.75 x 24.25 x 4.75. Accumulair brand 20x25x5 Ultravation 91-026 style whole house filters, specifically engineered to be an alternative to the name brand Ultravation 91-026 filters. Completely constructed - no forming or combs needed. MERV graded to ASHRAE 52.2 test grades assuring particle capture to the level of the name brand Ultravation 91-026 air filters. Photo: The example filter picture shown is not true to size and is shown for configuration only. Company names and Ultravation 91-026 identifier are included for air filter substitution purposes.
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