Description
Actual dimensions are 20.75 x 20.25 x 5.25. Accumulair brand: 20x20x5 Gibson MU2020 substitute whole house filters, exactly designed to replace original manufacturer Gibson MU2020 filters. Completely constructed so no forming or combs required. MERV classified to ASHRAE 52.2 test classifications ensuring function as good or better than the original manufacturer Gibson MU2020 filters. Notice: Example filter pic as shown is not to scale and is displayed for configuration purposes. OEM names and Gibson MU2020 P/N used for air filter style identification only.