Actual Dimensions: 15.88 x 19.75 x 4.38. Accumulair brand 16x20x5 Honeywell FC100A1003 compatible whole house air filters, specifically built to replace original manufacturer Honeywell FC100A1003 air filters. Completely assembled - no assembly or combs needed. MERV rated to ASHRAE 52.2 test grades assuring performance equal to the original brand Honeywell FC100A1003 filter. Note: The example air filter image displayed is not true to size and is included to show style purposes only. Company names and Honeywell FC100A1003 part numbers included for air filter substitution identification purposes only.
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