AirFilters.com
21x21.5x5 (20.1x21.1x5) MERV 11 TraneA® Aftermarket Replacement Filter
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From AirFilters.com
21x21.5x5 (20.1x21.1x5) MERV 11 TraneA(R) Aftermarket Replacement Filter Description Why yes, this filter is capturing particles at all hours of the day and night. That's because indoor air pollution never sleeps. If those harmful indoor air contaminants like dust, pet dander, pollen, mold spores, lint, and hair do not sleep, then you need a filter that will work as long and hard as these particulates will. The 21x21.5x5 (20.1x21.1x5) MERV 11 TraneA(R) Aftermarket Replacement Filter is constantly on the lookout for airborne contaminants to capture. It's like the city of New YorkA(R) "" it never sleeps.