1L continuous Flow/2L-3L Pulse Flow Portable Medical Home Oxygen Concentrator Generator For Home

Product Description This is a 1L continuous flow and 2L-3L adjustable pulse flow oxygen concentrator. can be plugged to power and can work 24/7. It comes with a  3 hours battery and package ships with all the needed accessories. Lightweight machine of 5lbs and Low noise machine of 40db which makes it ideal to be used in various places without any noise disturbance. 30 days money back guarantee and 1 year manufacturer's warranty on the machine Delivery within 6 days The oxygen concentration at 1L is 90% while the oxygen concentration at 2L-3L is 86%.  Package Includes: Backpack*1Power Adapter*1Male & Famale Connector*1Nasal Cannula*1Filter Cotton*3User Manual*1Car Charger*17500mAh lithium Battery*1