20L Medical Oxygen Concentrator For Covid Patients With Safe and economical

1. PSA oxygen-producing method makes this oxygen concentrator safe and economical. It can work anywhere oxygen and electricity are available. 
2. Concentration of the oxygen produced by our oxygen generation plant can be higher than 90%. The flow rate is adjustable in the range of 0-40L/min. 
3. Large LCD on our oxygen-producing machine can indicate the operating pressure, internal working temperature, present operating time, accumulated working time, and the preset time. 
4. Designed with timing function, our oxygen concentrator will stop running automatically when it reaches the preset time. 
5. Oxygen concentration status indicator allows the users to monitor oxygen concentration in real-time.