Filter Hut's Accumulair 15x30x4 air filter is solely designed to be a replacement for same sized 15x30x4 air filter specs. Pleated static charged filter media captures contaminants according to the ASHRAE MERV rating. Free of chemicals. Note: Sample filter picture as shown is not to scale and is included to show design only. Catalog and 15x30x4 air filter statements last verified on 03/24/2020.
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