The Definitive Guide to high efficiency particulate air (hepa) filters
Basic Assortment Efficiency Curve with Filter Assortment Mechanisms HEPA filters are composed of a mat of randomly organized fibers.[sixteen] The fibers are generally composed of polypropylene or fiberglass with diameters concerning 0.five and a couple of.0 micrometers. Most of the time, these filters are composed of tangled bundles of great fibers