2-9L/Min Adjustable Portable Oxygen Concentrator, Intelligent Air Purifier with Complete Accessories, Suitable for Home and Personal Care
ADJUSTABLE FLOW: 2-9L large flow can be adjusted, which can meet the need for oxygen in different people. 2L / min-90%, 3L / min-75-82%, 4L / min-60-70%, 5L / min-52-60%, 6-8L / min-40-52%, 9L / min-30 -40%. HIGH PERFORMANCE: Our oxygen machine uses a pure copper oil-free compressor. This compressor has higher performance and lower energy consumption compared to conventional...