This Filter Hut Accumulair 12x27x4 air filter is specifically constructed to be a replacement for similarly sized 12x27x4 air filter specification. Pleated electrostatic charged filter material traps contaminants according to the ASHRAE MERV specification. Chemical free material. Notice: Example filter image shown is not the actual dimensions and is included to show design only. Catalog and 12x27x4 air filter specs are up to date as of 03/24/2020.
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