GD-120-5-200 oxygen compressor is a device that raises the pressure of oxygen gas. As a result, more oxygen can be kept in containers or distributed through pipes because there are more oxygen molecules in a given volume. Applications for this product can be found in the medical, industrial, and scientific fields. It draws air from the environment, separates the oxygen, and then purify the air so you may breathe it. GD-120-5-200 oxygen compressor is used to concentrate oxygen for patients in medical facilities or at home. It offers an affordable source of oxygen. This device provides the patient with pure, medical-grade oxygen, oxygen concentrators filter the surrounding air.