Filter Hut's Accumulair 13x25x4 air filter is solely engineered to be compatible with same sized 13x25x4 air filter specs. Pleated electrostatically charged filter media captures contaminants in the air relative to its MERV standard specification. Free of chemicals. Note: Example filter picture as shown is not the actual dimensions and is shown for style purposes only. Current stock and 13x25x4 air filter statements are up to date as of 03/24/2020.
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