Pureflo PAPR with HE filter for dust and particulate. FM nonincendive Class I, II, III, Div 2, Groups ABCDEFG. Complete helmet system, with ANSI faceshield and hard hat. No uncomfortable back packs or hoses to tangle, increasing worker acceptance. Pharmaceutical and welding versions available. APF of 1000. Interactive Safety Products, www.helmetsystems.com, (800) 251-7377. Circle 267PAPR with HE filter