Feature:1. Newly upgraded with a total valve switch, convenient for daily manual switching without adjusting the flow rate.2. Patented valve design, leak-proof, easy to clean, stable pressure.3. External thread design, preventing blockage, the sealing ring is inside the thread, preventing the material from running to the thread position.4. 3-stage carbon fiber filter, effectively filtering impurities.5. New patented bubble counter, directly inject water with a syringe, the equipment can also add water during normal operation.6. Highly sensitive safety relief valve, When the air pressure in the bottle exceeds 35kg, the pressure will be released automaticallySpecification:External thread structure, which is leak proof, easy to clean, and stable in pressure. Equipped with a 3 stage carbon fiber filter, it has a total switch for easy daily manual switching without adjusting the rate, making it the best choice for beginners.Specifications:Main material: Stainless steelMain color: SilverSize:1L: Height: 22.5cm; diameter: 10cm.Package List:1 * three stage filter1 * syringe1 * water bubble counter1 * spare sealing ring1 * 7CM refiner2 * suction cups1 * trachea1 * solenoid valve1 * power cord