18x18x4 Air Filter

Quantity of Filters per Case: 3
Efficiency Rating: MERV 8
Nominal (Actual) Dimensions: 18x18x4 (17.5 x 17.5 x 3.75)
$ 81.90


This Filter Hut Accumulair brand 18x18x4 air filter is exactly designed to be a replacement for similarly sized 18x18x4 air filter style. Pleated electrostatically charged filter material traps contaminants in the air according to the ASHRAE MERV specification. Chemical free. Notice: Example filter picture as shown is not the actual dimensions and is shown for design purposes only. Database and 18x18x4 air filter variations last verified on 03/24/2020.

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