The Definitive Guide to high efficiency particulate air (hepa) filters
Classic Assortment Efficiency Curve with Filter Assortment Mechanisms HEPA filters are made up of a mat of randomly arranged fibers.[sixteen] The fibers are generally composed of polypropylene or fiberglass with diameters in between 0.five and 2.0 micrometers. Usually, these filters are composed of tangled bundles of fine fibers. These fibers devel