High-quality material: This product has high-quality brass structure, all-metal, no plastic, no leakage, strong and durable, with strong pressure resistance, with a long service life, you can rest assured of long-term use. Anti-rust: This product is specially treated with anti-rust treatment, with strong corrosion resistance and scratch resistance, and will keep a better luster for long-term use. long term without significant loss. Function: It can be used as a stop valve, and the water flow can be completely stopped by fully opening the pause switch, without the need to reset the cold water mixture at the main faucet again. Can also be used as a shower flow control valve, moving the handle to limit the flow and adjust the size of the water flow. Easy to use: Our products are easy to install without using special tools, and the flow adjustment handle is easy to adjust and can be easily used in the shower, even with soapy hands. Wide range of applications: Standard g 1/2 female threads