Actual dimensions are 19.75 x 19.88 x 4.38. Accumulair brand 20x20x5 Honeywell F50F1107 replacement whole house air filters, exactly designed to replace name brand Honeywell F50F1107 filters. Fully built so no forming or combs required. MERV graded to ASHRAE 52.2 test ratings assuring particulate filtration equal to the original manufacturer Honeywell F50F1107 air filters. Notice: The sample filter picture as shown is not true to size and is shown for design only. OEM names and Honeywell F50F1107 identifier included for air filter substitution identification purposes only.
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