Description
Actual dimensions are 20.75 x 20.25 x 5.25. Brand: Accumulair. 20x20x5 York YMU2020 replacement whole house air filters, exactly built to be an alternative to the OEM York YMU2020 air filters. Fully built so no forming or combs needed. MERV rated to ASHRAE 52.2 test ratings establishing function as good or better than the OEM York YMU2020 filter. Photo: Sample filter picture displayed is not to scale and is there to show construction only. Company names and York YMU2020 part numbers included for filter replacement identification.