Our EZ Air Flex Grinding Air Shield Supplied Air Respirator (SAR) is intended for industrial applications where combined respiratory, eye and face protection are required. This durable grinding shield features a large viewing lens that maintains respiratory protection in different work environments. It is a system that provides a constant supply of fresh air over the user's face. At an APF level of 25, it creates an optimal protective pressure inside the respirator head top keeping away particulates (dust, steel, manganese, stainless steel, chromium, galvanized steel, cadmium, lead and ozone). Recommended applications are grinding, assembly, facility maintenance, machine operations, painting, and sanding. Suggested industries include automotive, food and beverage, pharmaceutical, general manufacturing, metal production and fabrication, military maintenance, repair and operation (MRO), transportation, and in medical applications. Complies with ANSI Z87.1+ and CAN/CSA Z94.3 for face-shield/eye protection. CE certified. NIOSH approved This one-worker system comes with head top assembly, 50' hose and Allegro 9821 Pump.