The Longfian JAY-5AW oxygen concentrator takes in ambient air, filters nitrogen, and then distributes air with up to 93 percent oxygen content. It can be used to treat respiratory, cardiovascular, and brain vascular problems, as well as chronic obstructive pulmonary disease, carbon monoxide poisoning, and other hypoxia-related ailments. 0–5 Liter Oxygen Flow Control: The Longfian JAY-5BW oxygen concentrator provides adjustable oxygen flow from 0 to 5 liters per minute. 93% High Oxygen Purity: Delivers oxygen purity up to 93% to ensure effective oxygen therapy for patients with respiratory & oxygen deficiency conditions. Supports Better Breathing: Helps improve oxygen intake for patients suffering from respiratory diseases, COPD, asthma, and breathing complications. Effective Hypoxia Treatment: Useful for managing oxygen deficiency co ...