High Quality: Faucet body is made from sturdy brass, ensuring high quality and longevity, 10-inch extra large overhead shower is made from SUS 304 stainless steel. Matte Black Appearance: With the matte black appearance of European and American style and the multi-layered electroplating passing the Salt Spray Test, it can easily face the surface corrosion by humid environment in the shower room. Standard U.S.Threads: Our connectors are standard 1/2 NPT tapered threads, compatible with most existing shower systems. All hardware and parts are included.Use the long screw which makes the installation easier and faster, you can install it by yourself. Pressure balance valve's cartridge monitor water pressure balance, helping to protect you from being scalded by sudden changes in hot or cold water pressure. Add filter screen inside the hose to eliminate hose blockage. Air Pressure Technology: Inject the air into rain shower head to mix water with air, and the water pressure up to 2.5GPM instantly, giving you a pleasant Shower; with self-clean nozzle, easy to clean and maintain.