Description
Actual dimensions are 20.75 x 20.63 x 5. Accumulair brand 20x21x5 Comfort Plus F825-0586 substitute whole house filters, specifically constructed to replace the original brand Comfort Plus F825-0586 filters. Fully constructed - no assembly or combs required. MERV classified to ASHRAE 52.2 test standards ensuring particle filtration to the level of the original manufacturer Comfort Plus F825-0586 filter. Photo: Sample air filter image displayed is not true to size and is included to show design only. Brand names and Comfort Plus F825-0586 part numbers are shown for air filter replacement identification purposes.