Features: 1. The square room design is easy to get in and out which is friendly for the elder or people with inconveniences。 2. The movable wheels at the bottom make it easy to move. The wheels are designed with safety locks for safe use. 3. The chamber use special high-strength steel and scientific structural design, so it can withstand very high pressure. 4. The steel door can withstand high pressure requirements. 5. The door with clear windows and optional clear window on the chamber is friendly for the claustrophobia. 6. Different materials of the decorative board are available to decorate the chamber body. 7. Extremely large and comfortable space for oxygen therapy. 8. The intelligent oxygen system can control the inside chamber pressure and oxygen concentration, monitor various real-time environmental parameters and provide maintenance information reminders, etc. 9. Dual control panels (on the oxygen concentrator and inside the chamber), the friendly UI interface is convenient for the users to control and view data. 10. High safety performance (Frame steel structure cabin, unlocked door design, three mechanical safety valves, Intelligent cabin pressure control and reminder) 11. It is easy to assemble the chamber and connect the oxygen concentrator. Low maintenance cost, only regular replacement of filter elements is required. 12. DR HUGO provide personalized customization services (product appearance/size, product parts, product functions, etc.) and we accept custom logo. D。 13. DR HUGO offer the optional equipment to improve the oxygen therapy experience such as water-cooled air conditioner, TV, massage chair and so on. DR HUGO