Description
Actual Size: 19.75 x 19.88 x 4.38. Brand: Accumulair. 20x20x5 GeneralAire GA100A11 substitute whole house filters, exactly designed to replace the original brand GeneralAire GA100A11 air filters. Fully constructed with no forming or combs required. MERV graded to ASHRAE 52.2 test specifications establishing particulate filtration to the level of the original manufacturer GeneralAire GA100A11 air filter. Notice: The sample filter pic as shown is not to scale and is displayed for construction purposes. Company names and GeneralAire GA100A11 P/N are listed for air filter style identification use.