Description
Actual Dimensions: 19.88 x 24.88 x 4.38. Accumulair brand: 20x25x5 Honeywell F50A1009 style whole house filters, specifically designed to replace the original manufacturer Honeywell F50A1009 filters. Completely built so no assembly or combs needed. MERV classified to ASHRAE standards establishing operation equal to the original brand Honeywell F50A1009 filters. Notice: Sample air filter image displayed is not to scale and is included to show configuration purposes only. Brand names and Honeywell F50A1009 P/N displayed for air filter substitution identification use.