Description
Actual Dimensions: 20.75 x 20.25 x 5.25. Accumulair brand 20x20x5 Gibson MU2020 style whole house filters, specifically engineered to be an alternative to the original brand Gibson MU2020 air filters. Completely box-formed with no assembly or combs required. MERV classified to ASHRAE standards establishing particulate filtration equal to the OEM Gibson MU2020 filter. Note: Example filter picture shown is not true to size and is included to show configuration purposes. Brand names and Gibson MU2020 part numbers shown for air filter substitution identification use.