Pressure-Demand Airline Respirator

Two types to choose from to meet your needs. Model 504-12277 is designed for use in atmospheres not immediately dangerous to life and health (non-IDLH). Model 504-12283 is equipped with a five-minute emergency escape air cylinder, and may be used in IDLH atmospheres. Both include a silicone facepiece, demand valve, a standard harness and manifold assembly. (North quick connect couplers and air supply hoses must be ordered separately.)