Any fabric that captures dust particles from a stream of moving air. Most filters are placed in a gasket or built into a rigid frame, allowing air to safely move through. Newer, more advanced fabric filters can catch very small contaminants, for example more than 99% of fine particulates. Fabric filters can help improve indoor air quality and reduce allergens.
Fabric filter: Created on November 3rd, 2009. Last Modified on February 24th, 2010
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