1. Customized two flowmeter oxygen concentrator products Install the main engine on a wheel as a floor-standing or hang it on a rack and hang it on the wall outside, and install a gas collection filter; 2. Nail the oxygen supply plate on the wall or support as needed, and then hang the oxygen supply;

　　3. Customized two flowmeter oxygen concentrator products Use an oxygen tube to connect the oxygen outlet port of the oxygen supply, and connect the 12V power line of the oxygen supply to the 12V power line of the host. If multiple oxygen suppliers are connected in series, only need to add a three-way joint, and fix the pipeline with a wire buckle; 4. Plug the 220V power cord of the host into the wall socket, and the red light of the oxygen supply will be on;

　　5. customized two flowmeter oxygen concentrator products Please fill the humidification cup with purified water to the designated position. Then install it on the oxygen outlet of the oxygen supply; 6. Please put the oxygen tube on the oxygen outlet of the humidification cup;

　　7. Customized two flowmeter oxygen concentrator products Press the oxygen supply start button, the green indicator light is on, and the oxygen concentrator starts to work; 8. According to the doctor's doctor's advice, adjust the flow to the required position; 9. Hang up the nasal cannula or wear the mask to inhale oxygen according to the packaging instructions of the oxygen inhalation mask or nasal straw.