Best Affordable 1-7L/m Home Oxygen Concentrator

THE AFFORDABLE OXYGEN CONCENTRATOR! SAVE BIG$$$$$$$!   The Best Affordable 1-7L/m Home Oxygen Concentrator is FINALLY HERE! The newest addition to our Home and Portable Oxygen Concentrators. The oxygen concentrator is a health care machine for home use, which provides continuous flow provision adjustable for 1-7 Liters per minute, and this oxygen machine produces constant oxygen supply of 28-90%±3%. This O2 concentrator has the ability to act as a negative ion and atomizer. The oxygen machine will produce more fresh oxygen with negative ions, resulting in oxygen’s characteristics being restored to what it originally was in nature. Many users with sore throats or asthma can benefit from the atomization function.For the users’ comfort, our oxygen machine chooses a low-noise design that will not interrupt your sleep and increase your sleep efficiency. The oxygen maker has a multi-layer filter inside, and the concentrator can remove impurities and bacteria from the air and increase