... to use in family, medical stuff t Medical Oxygen Generator Working Principle:The high pressure Oxygen (12~15MPA) in the oxygen cylinder will be adjusted ... to 0.25±0.02Mpa. Use flow regulator ass. To adjust oxygen flow, the safety flow rang is: 1-5L ... is safety, effective, airproof, realiable, simple. It comform toGB5099-94 standard. Volume: 0.2, 0.4, 0.7, 1.0, 1 ...