Our Accumulair 11.25x11.25x4 air filter is solely built to be compatible with same sized 11.25x11.25x4 air filter specification. Pleated static charged filter material traps airborne substances relative to its MERV standard rating. Material is free of chemicals. Note: Example filter picture as shown is not the actual dimensions and is displayed for construction purposes. Catalog and 11.25x11.25x4 air filter statements are up to date as of 03/24/2020.
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