The device shown in the picture is the AirSep VisionAire 5 Home Oxygen Concentrator. Here are its main specifications: Flow Rate: Provides a continuous oxygen flow ranging from 1 to 5 liters per minute. Oxygen Purity: Purity level reaches approximately 90% (+5.5%/-3%) at all flow rates. Weight: Relatively lightweight, weighing approximately 13.6 kg (30 lbs). Power Consumption: Energy-efficient, drawing less than 300 watts at all continuous flow settings. Sound Level: Operates at low sound levels (around 45 dB), making it quiet and comfortable for home use. Design: Features a compact and small-sized design, with top and side handles and wheels for easy transport and storage. Maintenance: Does not require periodic preventive maintenance, reducing costs and increasing reliability. Safety Features: Equipped with a fire-resistant plastic casing, a resettable circuit breaker, pressure relief valves, as well as an integrated alarm system (e.g., low oxygen concentration, power outage).