Shower - Contemporary 8 inch Rain Shower Brushed Nickel Shower Faucet This kit have valve for controlling water flow and temp, hot and cold switch Super thick nickel coating, that operate smooth as butter 2.0 gallons per minute , G1/2 (20.5mm) International Standard Interface install faucets wall part before the wall decoration completion. this is a set of products. value include, the product is not suitable for other brands of value Backed by 5 years limited warranty