hepa filters for hvac Fundamentals Explained
Vintage Selection Efficiency Curve with Filter Selection Mechanisms HEPA filters are composed of a mat of randomly organized fibers.[sixteen] The fibers are usually made up of polypropylene or fiberglass with diameters involving 0.5 and a pair of.0 micrometers. Most of the time, these filters are made up of tangled bundles of fine fibers. These fib