Oxygen Output: 

Over 30-90% oxygen purity, 1-7L/M adjustable flow rate, let you enjoy a clean air at home. Delivers a steady stream of up to 90% pure oxygen out of normal air

Multi-layer filter: 

The oxygen system of this product has coarse dust filter, fine dust filter and three bacterial filtration treatment for the input air respectively, finally, the oxygen is fresh and clean after filtering , and the two front layers filter can be replaced without disassembling, the user operate it comfortably.

Widely used:

• Respiratory system diseases, cardiovascular and cerebrovascular diseases;
• plateau hypoxia;
• middle-aged and elderly people,
• pregnant women,
• students who have been engaged in mental work for a long time;
• people who have long been engaged in underground or confined space operations,
• People who are exhausted from exercise and lack of oxygen.

Note: This machine is used for family health care, not use for serious diseases.