Actual Size: 15.38 x 21.88 x 5.25. Accumulair brand, 16x22x5 Janitrol 9183940 replacement whole house air filters, exactly designed to replace the original manufacturer Janitrol 9183940 air filters. Completely constructed so no forming or combs required. MERV rated to ASHRAE grades ensuring particle filtration equal to the OEM Janitrol 9183940 filter. Note: The example filter image displayed is not the actual dimensions and is included to show design purposes only. Brand names and Janitrol 9183940 part numbers are used for air filter substitution identification purposes.
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