Description
Actual dimensions are 19.88 x 24.88 x 4.38. Accumulair brand 20x25x5 Honeywell F50E1166 style whole house air filters, exactly engineered to substitute for the original manufacturer Honeywell F50E1166 air filters. Fully built with no forming or combs needed. MERV graded to ASHRAE ratings ensuring performance as good or better than the OEM Honeywell F50E1166 filters. Photo: The sample air filter pic as shown is not the actual dimensions and is displayed for design purposes. Trade names and Honeywell F50E1166 identifier included for air filter substitution identification purposes only.