Filter Hut's Accumulair 20x27x4 air filter is exactly engineered to be a replacement for same sized 20x27x4 air filter specification. Pleated electrostatically charged filter material traps contaminants relative to its ASHRAE MERV specification. Material is free of chemicals. Note: Example filter picture as shown is not the actual dimensions and is included to show style purposes only. Catalog and 20x27x4 air filter statements current as of 03/24/2020.
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- 30-day 100% return policy.
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