Oxygen concentrators are better than oxygen cylinders？

1.Oxygen concentrator can provide continuous oxygen therapy for patients. If use oxygen cylinders, oxygen is limited, you need be replaced regularly.

2.Oxygen concentrator only need powered and can use many years. When you use oxygen cylinders, you need to be rented or purchased regularly. The oxygen concentrator will save more money and time for you.

3.Oxygen concentrators are easier to move than oxygen cylinders. Oxygen concentrator has wheels, so you can easily go anywhere with oxygen. 

4.Oxygen concentrators are safer than oxygen cylinders. Oxygen Concentrator without high pressure of the machine and oxygen. Oxygen Cylinders are high pressure in general.