Description
Actual dimensions are 19.75 x 19.88 x 4.38. Accumulair brand 20x20x5 GeneralAire GA100A11 substitute whole house air filters, exactly designed to replace original brand GeneralAire GA100A11 air filters. Fully constructed so no forming or combs required. MERV rated to ASHRAE specs assuring particle capture as good or better than the original manufacturer GeneralAire GA100A11 filters. Notice: The example filter image as displayed is not true to size and is included to show construction only. Brand names and GeneralAire GA100A11 part numbers are used for filter replacement identification use.