Firstsing Easy Using Oxygen Concentrator Machine Portable Oxygen Generator 3L

Oxygen Flow: 0.5~3L/min
Oxygen Concentration: 93%±3%
Power Supply: ~220V±22V; 50Hz±1Hz
Input Power: 330VA
Output Pressure: 30~70kPa
Big LCD Screen easy to operate.
Displaying the oxygen concentration in real time.
Supply continous flow 0.5-3L/min adjustable,delivers a steady stream of 93% pure oxygen out of normal air oxygen.