Our Accumulair 17.25x23.25x4 air filter is exactly made to be a replacement for similarly sized 17.25x23.25x4 air filter type. Pleated electrostatically charged filter material traps airborne substances according to the MERV rating. Chemical free. Notice: The sample filter picture as shown is not to scale and is displayed for design only. Current stock and 17.25x23.25x4 air filter specs last verified on 03/24/2020.
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