The Yuwell 9F-5B is a powerful medical-grade oxygen concentrator that provides a reliable and continuous oxygen supply for daily use at home. Flow range: 0.5–5 L/min for individual adjustment. High oxygen concentration: 87%–96% for effective breathing support. Quiet operation: approx. 43 dB (1 m) / 40 dB (2 m) for pleasant use. Max output pressure: 70 kPa for stable supply. Integrated fault detection for increased safety. Mobile thanks to smooth-rolling wheels. Modern, compact design (40 × 30 × 55 cm), weight 17.5 kg. Power consumption: 350 VA. The Yuwell 9F-5B impresses with its combination of medical precision, user-friendliness, and quiet operation. The individually adjustable oxygen delivery allows for optimal adaptation to the user's needs, while the high concentration ensures effective breathing support. Thanks to the integrated fault detection, safe operation is guaranteed, and the wheels make it easy to transport within the home. Its modern design blends discreetly into any environment, making the device a reliable solution for continuous oxygen therapy in everyday life.