Description: The Yuwell 5-liter oxygen generator is one of the latest technologies available in oxygen generation systems. It is used for cases of oxygen hypoxemia and chronic obstructive pulmonary disease. The device has a modern and elegant design, is small in size and light in weight, has few accessories, and is equipped with four wheels. Easy to use, transport, and store. The front of the device is equipped with a rubber strap to secure the humidifier bottle, compatible with all bottle designs. The device's handle and power cord holder reduce clutter around the device. The oxygen flow control meter is securely and tightly mounted and can be manually adjusted by the user to suit the treatment program. The control buttons and alert lights are clear, mounted on the top of the device. The device has internal air filters that need to be replaced or cleaned every 100 hours. Serious buyers please contact via private message, thank you.