Actual Size: 15.88 x 19.75 x 4.38. Brand: Accumulair. 16x20x5 Honeywell F100A1003 style whole house air filters, exactly engineered to substitute for the original brand Honeywell F100A1003 air filters. Fully assembled so no assembly or combs needed. MERV rated to ASHRAE 52.2 test standards assuring filtration equal to the original manufacturer Honeywell F100A1003 filters. Notice: The example filter pic as displayed is not true to size and is included to show construction only. Brand names and Honeywell F100A1003 identifier are used for air filter substitution identification. Catalog and statements last updated on 03/29/2020.
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