Features:High quality full alloy body, pressure regulation is stable, safe and reliable.Pressure regulator turns high pressure gas into low pressure gas, and keep the output gas pressure and flow rate stable.It can reduce, display and stabilize pressure; when inlet pressure and outlet flow change, it can guarantee the stability of outlet pressure. Compact structure, pressure gauge and high pressure gauge are made of high quality material, overall compact structure, perfect, good sealing.Mainly used for gas welding, agricultural plant culture, chemical industry and so on.Specification:Material: AlloyWeight: 825g/29.1ozMeasurement Range: 0.4-25(MPa)Applicable Medium: OxygenRated Outlet Pressure: 0.25 (MPa)Rated Flow Rate: 40 (m/h)Package List:1 x Oxygen Pressure Regulator.1 x ButtonNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.