High Quality: Brass body construction provides much higher performance, not only durability than plastic ones, but also high heat-resistance and pressure-resistance, it can serve many years without leakage. Water Flow Controller: BRIGHT SHOWERS shower flow control valve is designed to adjust water flow according to your needs, it works great when you want the water temperature to stay the same but need to conserve water. Universal Connections: Universal G1/2 standard thread connections of this shut off valve, fits all standard hand showers, fixed shower head or bidet sprayer. Easy to Operate: The water flow control valve is tight thread, stable and non-slip design, Lever handle can be operated easily and smoothly. Please don't shut off this flow control , keep a trickle so you will not forget to turn off the main valve handle after taking a shower. Easy To Install: Installs in minutes, no plumbers required.