Description
Actual Dimensions: 20.75 x 20.25 x 5.25. Accumulair brand 20x20x5 York YMU2020 substitute whole house air filters, specifically engineered to replace the original manufacturer York YMU2020 filters. Fully box-formed so no forming or combs needed. MERV graded to ASHRAE 52.2 test grades establishing performance to the level of the OEM York YMU2020 air filters. Photo: Example air filter pic as displayed is not true to size and is included to show construction only. OEM names and York YMU2020 part numbers displayed for filter replacement identification purposes only.