Description
Actual dimensions are 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Gibson BB2020 compatible whole house air filters, specifically engineered to be an alternative to the name brand Gibson BB2020 air filters. Fully assembled with no assembly or combs needed. MERV classified to ASHRAE 52.2 test specs establishing particulate capture to the level of the original brand Gibson BB2020 air filters. Note: The example air filter pic as displayed is not the actual dimensions and is shown for design purposes. OEM names and Gibson BB2020 P/N used for air filter replacement identification purposes.