Description
Actual size is 20.75 x 20.25 x 5.25. Accumulair brand, 20x20x5 Electro-Air FS2020 compatible whole house filters, specifically designed to replace the original brand Electro-Air FS2020 filters. Fully box-formed so no assembly or combs required. MERV classified to ASHRAE 52.2 test classifications ensuring particulate capture equal to the OEM Electro-Air FS2020 filters. Note: Sample air filter image shown is not true to size and is there to show construction purposes only. Name brands and Electro-Air FS2020 part numbers are shown for filter substitution identification use.