Our Accumulair 12x22x4 air filter is solely made to be compatible with similarly sized 12x22x4 air filter type. Pleated static charged filter material traps contaminants according to the MERV rating. Chemical free material. Note: Example filter image shown is not the actual dimensions and is included to show construction only. Current stock and 12x22x4 air filter variations are up to date as of 03/24/2020.
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