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DEDAKJ 1-7L/min oxygen concentrator over 30-93% 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.
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 operates it comfortably.
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, excessive People who are exhausted from exercise and lack of oxygen. Note: This machine is used for family health care, not use for serious disease.
We provide 1 year service guarantee. If there is any problem in using the product, we provide 100% refund service. We provide English manuals and professional operation instructions. If you have any questions about product use, please contact us in time.