Practical Inhaler Buoy Type Inhaler O2 Pressure Reducer Gauge Flow Meter For Hospital Home Plastic brand new and Features: high-quality material, strong and durable, 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 Optional Styles: A, B A Size: app.16cm 6.30in B Size: app.12cm 4.72in Color: Transparent Blue Quantity: 1pc 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 Inhaler(other accessories demo in the picture is not included.)?Humidification bottle is detachable, easy to clean and more hygienic. ?Made of high-quality material, strong and durable, safe, and long service life. ?Style A Size: app.16cm 6.30inB Size: app.12cm 4.72in. ?Flowmeter has clear scale, high sensitivity and accurate measurement. ?Suitable for hospitals, home use, etc.