Description
Actual Dimensions: 20.75 x 20.25 x 5.25. Accumulair brand 20x20x5 Philco BB2020 replacement whole house filters, exactly engineered to replace the name brand Philco BB2020 air filters. Fully built so no assembly or combs required. MERV classified to ASHRAE specs ensuring operation to the level of the OEM Philco BB2020 filter. Notice: Sample filter picture as displayed is not to scale and is there to show construction only. Brand names and Philco BB2020 part numbers used for filter substitution identification only.