Description
Actual Size: 20.75 x 20.25 x 5.25. Accumulair brand, 20x20x5 Gibson BB2020 compatible whole house air filters, specifically constructed to replace original manufacturer Gibson BB2020 air filters. Completely box-formed - no forming or combs needed. MERV graded to ASHRAE 52.2 test ratings assuring particulate filtration to the level of the original manufacturer Gibson BB2020 air filter. Note: The sample air filter image displayed is not the actual dimensions and is there to show configuration purposes. Trade names and Gibson BB2020 part numbers shown for filter style purposes only.