This high-pressure aluminum cylinder contains medical-grade oxygen, a vital resource for treating various respiratory conditions such as asthma, COPD, and emphysema. With a purity level of 99.0%, this colorless and odorless gas is essential in emergency situations to restore oxygen levels and enhance patients' quality of life. Designed for medical applications, this D-sized cylinder holds 14 ft³ of oxygen at a pressure of 2000 psig and is compatible with CGA 870 connection valves, making it a reliable choice for both healthcare professionals and emergency responders. Whether used in respiratory therapy, ventilators, or diving medicine, this oxygen supply is crucial for effective patient care.