This Filter Hut Accumulair 21x23x2 air filter is specifically constructed to be a replacement for same sized 21x23x2 air filter specs. Pleated electrostatically charged filter material traps airborne contaminants relative to its ASHRAE MERV specification. Material is free of chemicals. Note: The example filter picture as shown is not the actual dimensions and is shown for construction only. Database and 21x23x2 air filter variations current as of 03/24/2020.
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