Our Deluxe Supplied Air Shield and Welding Helmet is performance-proven and a cost-effective system used by foundries, aluminum plants, mines, chemical plants, refineries, auto manufacturers, metalworking and fabrication. The Supplied Air Respirator delivers a constant and powerful supply of breathable from a clean air source. They include one or two shields/welding helmets, a 3/4 hp or 1-1/2 hp breathing air pump and one or two 50 foot breathing hose(s). NIOSH approved/ANSI certified "all-in-one" system provides respiratory, head, eye and face protection.