Features 1、Made of high-quality zinc alloy material, durable and not easily damaged 2、The oxygen inhalator meter has accurate flow, easy to use, safe and reliable 3、Provides constant pressure and oxygen flow for patient using 4、Necessary equipment for oxygen treatment in hospital emergency rooms and wards 5、Mainly used in the oxygen supply system, used for oxygen supply in scientific research institutions, industrial and mining emergency and oxygen supply for hypoxic patients Specification Item Type: Oxygen Inhalator Meter Material: Zinc alloy chrome plating Pressure Gauge Range: 0-250bar (0-3500psi) Input Pressure: <15Mpa Output Pressure: 0.25Mpa Flow Adjustment Range: 1-10L/min Safety Valve: 0.5Mpa automatic exhaust Inlet Thread: G5 / 8in Male thread Outlet Thread: M12x1 Safety valve is a loading and unloading device used to maintain the safety of the inhaler, and a signal device for the failure of the inhaler. When the output pressure damage pressure rises to 1.3-2 times the output pressure, the safety valve will automatically vent Package List 1 x Oxygen Inhalator Meter 1 x Oxygen Tube