The Nilfisk GM 80CR is a variation of the GM 80 “ the vacuum cleaner that has become a vacuum icon in a variety of industries. Lightweight, portable and quiet, the GM 80CR is perfect for use in cleanrooms, research labs and other critical environments. Four-stage filtration system includes a 2 1/4-gallon paper bag, main filter, microfilter and ULPA exhaust filter. A conductive hose and accessories provide ESD protection.