OXYGEN CONCENTRATOR: Oxygen Concentration: -Purity of oxygen reaches 93% +/- 3% Multi Ways to use: -It comes with two flow-meters having flow from 0-5 liter and 0-10liter per minute, -It can deliver 5LPM oxygen with two persons at the same time, and can deliver 10LPM with one person. -It also has atomization function Safety: -The machine has audiovisual alarm for power failure, lopw oxygen level and low pressure.
