This Accumulair 19x21x1 air filter is exactly made to be a replacement for similarly sized 19x21x1 air filter type. Pleated static charged media traps airborne contaminants relative to its ASHRAE MERV rating. Free of chemicals. Note: Sample filter image displayed is not the actual dimensions and is displayed for style purposes only. Current stock and 19x21x1 air filter specs current as of 03/24/2020.
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