Feature:1. Made of high-quality zinc alloy material, durable and not easily damaged2. The oxygen inhalator meter has accurate flow, easy to use, safe and reliable3. Provides constant pressure and oxygen flow for patient using4. Necessary equipment for oxygen treatment in hospital emergency rooms and wards5. Mainly used in the oxygen supply system, used for oxygen supply in scientific research institutions, industrial and mining emergency and oxygen supply for hypoxic patientsSpecification:Item Type: Oxygen Inhalator MeterMaterial: Zinc alloy chrome platingPressure Gauge Range: 0-250bar (0-3500psi)Input Pressure: <15MpaOutput Pressure: 0.25MpaFlow Adjustment Range: 1-10L/minSafety Valve: 0.5Mpa automatic exhaustInlet Thread: G5 / 8in Male threadOutlet Thread: M12x1Safety 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 Meter1 x Oxygen TubeNote:1. Before using the inhaler, check all parts for damage and wipe them clean with a dry cloth.2. Oxygen pressure gauge and pressure reducer are absolutely forbidden to oil.3. The distilled water in the humidified bottle should be kept clean and replaced frequently.4. During oxygen inhalation treatment, pay attention to the flow of oxygen, which can be adjusted by a doctor.5. New‑style and old‑style are shipped randomly