Featuring carbon-impregnated filtration media, HemiPleat® FR Carbon Dust Collector Filter is designed for dust handling applications that require flame resistance as well as dissipation of static charges, including many metal dusts; fumed silica dust; plastic, PVC, or composite dusts; and pharmaceutical dusts. Product is available in 2 media types: standard HemiPleat open-pleat high efficiency media or HemiPleat eXtreme nano fiber media, which offers MERV 15 efficiency rating.