Description
Actual size is 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Westinghouse BB2020 substitute whole house filters, exactly engineered to replace name brand Westinghouse BB2020 air filters. Fully box-formed - no forming or combs required. MERV graded to ASHRAE 52.2 test ratings establishing operation to the level of the name brand Westinghouse BB2020 filter. Note: Sample filter picture as displayed is not to scale and is displayed for style purposes only. OEM names and Westinghouse BB2020 part numbers displayed for air filter replacement purposes only.