... way to make gas ionization in air ,to produce 98% pure oxygen ,matched with oxygen infusion jet ,oxygen sprayer and oxygen scent ,not only ... not need any supplements .5.Making oxygen at any time ,continuous oxygen supply .6.Almighty gas line process control system are the ... headache ,irascible ,fatigue ,etc.Technology parameter:Power:350WOxygen purity>/=98%Oxygen flow rate:1-3L/minVoltage:220v/110v