The Nuvo 5-liter oxygen concentrator is a home oxygen concentrator that generates up to 90% pure oxygen. It is designed for conditions requiring oxygen support such as Chronic Obstructive Pulmonary Disease (COPD) or hypoxemia. It features a compact, lightweight design with wheels for easy mobility. It operates on electricity, and the flow can be adjusted from 0.125 to 5 liters/minute. It includes a humidifier bottle for air humidification, operates quietly, and issues alerts in case of power outages. Key Features: Oxygen Concentration: Up to 90% at 5 liters/minute. Flow Rate: Manually adjustable between 0.125 – 5 liters per minute. Design: Compact, lightweight, equipped with wheels and a handle for easy transport. Operation: Operates directly on electricity (no battery required). Humidification: Can be equipped with a water bottle to humidify the air, according to Raiel Al Awael Medical Company. Noise Level: Very quiet, around 40 decibels, according to Need Care website and Al Afiya Medical Store. Alerts: Issues alerts in case of power outage. Weight: Approximately 14.5 kg, according to Raiel Al Awael Medical Company, while Need Care website and Al Afiya Medical Store mention a weight of 14-15 kg. Dimensions: Approximately 36;23;58 Its price is 3900 riyals. Selling to the highest bidder. It is functional and normal, used and preserved, not in use.