Factory price Professional factory supply oxygen machine 1-7L adjustable with LED screen is a durable, reliable and high-quality oxygen concentrator. As a professional factory, we take pride in providing the best products to our customers. The oxygen machine is capable of producing 1-7 liters of oxygen per minute and has an LED screen display that allows you to easily monitor the oxygen concentration level. It also features an adjustable flow rate, making it suitable for patients with different respiratory conditions. This oxygen machine is perfect for use at home, in hospitals, clinics, and other medical facilities. It is designed to provide a continuous and reliable supply of oxygen to enhance the quality of life for those in need. With our factory-direct pricing, you can be confident that you are getting a low price without compromising on quality. Order now and experience the benefits of using a professional-grade oxygen machine.