100% brand new and high quality           OOTDTY                  Features:           Made of high-quality materials, strong and durable, non-toxic, safe, and long service life.           Flowmeter has clear scale, high sensitivity and accurate measurement.           Humidification bottle is detachable, easy to clean and more hygienic.           Suitable for hospitals, home use, etc.                 Specifications:           Material: Plastic           Working pressure: 0.2MPa~0 3MPa           Maximum flow: 10L/min           Humidification water: distilled water or purified water           Size: app.62x250mm/2.44x9.84in           Optional Colors: White, Green           Quantity: 1set                 Note:           Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.           Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you                  Package includes:           1 x Oxygen Inhaler           1 x User Manual(other accessories demo in the picture is not included.)