Description
Actual size is 19.88 x 24.88 x 4.38. Accumulair brand, 20x25x5 Honeywell FLR3420 substitute whole house air filters, specifically engineered to substitute for the OEM Honeywell FLR3420 filters. Fully built with no assembly or combs required. MERV classified to ASHRAE grades establishing operation to the level of the original manufacturer Honeywell FLR3420 air filter. Note: Sample air filter image shown is not to scale and is shown for style purposes only. OEM names and Honeywell FLR3420 identifier are shown for air filter substitution identification purposes.