Features: Adopting advanced negative pressure design to ensure stable and uniform water flows during use. Whether brewing teas or cleaning, the water volumes can be accurately controlled. Using food grade ABS, it is resistant to high temperatures and have good corrosion resistance and durability. Equipped with standard interfaces, the installation process is simple and fast, and no professional tool are needed to complete the connection. Equipped with intelligent anti dry burning function, it will automatically shut off the water source when the water level is too low, protecting teas sets and equipment from damage. The negative pressure valves for teas table inlet is not only suitable for various types of teas tables, but can also be widely used in coffee machines, water dispensers and other equipment to meet the needs of different scenarios. Specifications: Component: ABS Size: about 5.8x4.4cm/2.28x1.73inch Package Includes: 1pc Negative Pressure valves note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.