Product Details + SPECIFICATIONS:Oxygen Flow Range1-15LPMPressure Reducing Range2.0-3.0kgRelief Valve Pressure Range:3.5kg /- 0.5kgService Medium:OxygenMax Entrance Pressure:15MpaMax Discharge Pressure:0.2-0.3 MpaConnector Thread:Female G5/8MADE IN CHINA, BRAND NEW! FITS ALL STANDARD SIZES OF OXYGEN TANKS.