Low-cost, worry-free SCBA designed for use in nonfire emergencies, chemical/toxic spill cleanups, and for egress from contaminated areas. Easy to use and maintain, the Model 832 is dependable and extremely durable. The fail-open design of the automatic positive-pressure demand valve assures the user a supply of air as long as air remains in the cylinder. The soft silicone full-facepiece features a dual sealing flange, a polycarbonate lens with 200° field of vision, and an oral/nasal cup to reduce fogging. Chest-mounted pressure gauge and stainless-steel warning whistle included.