Description
Actual size is 21.25 x 27.25 x 4.38. Accumulair brand, 21.5x27.5x5 Honeywell F27F1057 substitute whole house filters, specifically engineered to replace original brand Honeywell F27F1057 filters. Fully constructed - no forming or combs required. MERV rated to ASHRAE 52.2 test ratings establishing performance to the level of the original manufacturer Honeywell F27F1057 air filter. Notice: Example filter image shown is not true to size and is included to show construction only. Name brands and Honeywell F27F1057 identifier included for air filter substitution identification only.