Actual Dimensions: 19.75 x 24.25 x 4.75. Brand: Accumulair. 20x25x5 Ultravation 90-035 compatible whole house filters, exactly engineered to replace the original brand Ultravation 90-035 filters. Completely constructed so no forming or combs required. MERV graded to ASHRAE 52.2 test standards ensuring particle filtration to the level of the name brand Ultravation 90-035 filters. Notice: The sample air filter image displayed is not the actual dimensions and is included to show configuration purposes. OEM names and Ultravation 90-035 P/N used for filter substitution purposes.