Input pressure:15mpa Output pressyre:0.2-0.3 mpa Safety device:0.35+0.05 mpa Flow:0-15LPM Connection thread:G5/8,CGA540....or you decide Outlet thread:G5/8....or you decide, and you can contact ethanvuv(skype) (medical oxygen regulators, medical oxygen pressure regulators, oxygen inhalers/inhalators, oxygen absorbers, oxygen reducers, oxygen flowmeters,oxygen flow meters with regulators, oxygen therapy regulator, breathing apparatus, medical devices) Oxygen Therapy regulators are at work in hospital, clinics, home care worldwide emergency units & etc. For true reading flow meter must always be vertical *Fully chromed *Easy to read dual scale gauge with screw-on polycarbonate lens for durability *Precision engineered pressure compensated design flow meter for precise flow *Flow meter with easy to read tube and virtually unbreakable transparent polycarbonate outer cover for strength and 3600 visibility *Sintered bronze inlet filter. *This design is simple and accurate The flow meter with humidifier is used in reducing gas pressure and adjusting the gas volume, which rescue patient and treat as oxygen therapy by hospital. Also may make using of other gas reduced pressure and the control flow. Product main feature: The product has artistic outlook, and flow control comfortable and stable. The reductor is adjustable; The structure is unique, and the performance is reliable. The stainless steel floater and the orange substrate flow meter have a especially visual effect; The international standard connect way, is suitable for all kinds of gas bottle installation. CTNS.