Description
O^xygen concentration: 1-5L adjustable, Flow rate 1 L concentration 90% 2%, flow rate 2 L c-oncentration 78% 2%, flow rate 3 L to 4 L concentration 50% 3%, flow rate 5 L concentration 30% 3% || Principle: PSA method ,40 dB quiet, First large 4 inch LED color display, so that the elderly can see it more clearly. Luminous indication of wetting water box, being convenient and beautiful, makes gas flow be adjusted more easily. Excellent quality: Since our company is a professional oxygen generator manufacturer, the products we offer are safer and more reliable in quality. || Outline size: 13.8inch*7.5 inch*12.6inch. Weight: 14.3 Lb.Support continuous oxygen throughout the day can continuously work 24 hours when working with direct insertion of black power source. || Oxygen inhalation time setting: The user can adjust oxygen inhalation time according to practical need.Flexible choice of oxygen concentration: Oxygen concentration can be adjusted in the range of 30-90 percent. choice of oxygen flow: The oxygen flow of our portable oxygen concentrator can be easily switched from 1Liter per minute to 5 per minute through the knob. || Warranty 1 year warranty, if you have any questions about pre sale and after sales, we are always at your service, reply within 24 hours, note: not use for serious disease or those who stay alive solely on medical O2. Thank you for your attention.