Description: The scales on the bottle are clear and convenient to identify, you dont need to count the quantity, saving time and strength for you. This kind of oxygen inhaler is not easy to rust because the valve is made from zinc alloy material, sturdy and long-lasting, serving you for long-term use. Transferring the high-pressure oxygen to low-pressure oxygen, the oxygen inhaler is a good accessory for people who are ill, you can send it to others who need it. This kind of oxygen inhalator works with low output pressure that is 0.2~0.3MPa, safe and harmless, which will not harm your body, you can order without worries. This home oxygen inhaler is equipped with a pipe that is convenient for you to connect other devices, making your inhalation more convenient. Specification: Material: zinc alloy valve. Color: show as pictures. Size: show as pictures. Range: 0-25MPa. Input pressure: 15MPa. Output pressure: 0.2~0.3MPa. Output flow: 0-10L/min. Pressure meter accuracy: 2.5 level. Flow meter accuracy: 4 level. Safety valve automatic exhaust pressure: 0.35+0.05MPa. Note: Due to the light and screen difference, the items color may be slightly different from the pictures. Please allow a slight deviation for the measurement data and make sure you do not mind before ordering. Package included: 1x oxygen inhaler. 1x pipe. _x000D_