Boswell Bos620 Oxygen Concentrator 1-6L

Features：
With infrared remote control system, can be operated conveniently.
With time collect function: Display the total operation time.
With timed power off function.
Anion generating function can improve the alveolar ventilation function and increase the absorption rate. 48 hours of continuous electric supply, convenient for users to absorb O2 for a long time
High Efficiency Oil-free Compressor Detachable Filter
Cleaning reminder function Security System Circulating Cooling System
Oxygen flowrate: 1L 90%±3%，2L 75%，3L 60%，4L 50%，5L 40%，6L 35%