Nanoclass Square Select - EPA and HEPA Filters - Brochure

Filter medium constructed from various grades of microglass fiber paper folded into a pack. The filter pack is sealed into a wooden, galvanized steel or stainless steel frame with a solid polyurethane sealant. Tvery filter is tested according to l~N 18??:?009, and is supplied with a test report and three-part serialized product label.uct label.