The Longfian JAY-5AW oxygen concentrator receives ambient air as input, filters nitrogen, and delivers air containing up to 93% oxygen. It can be used as an adjuvant treatment for disorders of the respiratory system, cardiovascular and brain vascular systems, chronic obstructive pulmonary disease, carbon monoxide poisoning, and other hypoxia-related conditions. 93% ±3% High Oxygen Purity: Delivers medical-grade oxygen to support patients with respiratory conditions, COPD, and other oxygen therapy needs. 0.5–5L/min Adjustable Oxygen Flow: Allows users to customize oxygen flow according to individual treatment requirements and medical advice. Low Noise Operation: Operates a t up to 40dB, pr oviding a quiet and comfortable environment for home or clinical oxygen therapy. Big LCD: Features an easy-to-read screen that clearly displays ope ...