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 automatically 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 steel Main color: Silver Size: 1L: Height: 22.5cm; diameter: 10cm 1 * three stage filter 1 * syringe 1 * water bubble counter 1 * spare sealing ring 1 * 7CM refiner 2 * suction cups 1 * trachea 1 * solenoid valve 1 * power cord