oxygen jet beauty equipment 1,water oxyen beauty machine 2,Oxygen in formulate 3,factory price oxygen jet beauty equipmentMain ... nozzle, lance boom and facial mask, the jet injects, spays and inhales the oxygen directly to ... inhalation ( Do with the facial mask) Put pure water into the glass, open the oxygen delivery function, ... :1-3L/minOxygen concentration:≥90% oxygen jet beauty equipment LK-101