Rainfall Shower System has superior corrosion and rust-resistant,but also prevent dirty from sticking to shower faucet surface, clean shower set by cloth is enough in Daily Use.With the black coating 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. Construction: brass, rust resistant, durability for many years use.matte black finish.It is not only classic , fashionable,Superior corrosion andrust-resistant,but also prevent dirty from sticking to shower faucet surface, clean shower set by cloth is enough in daily use Feature:Big 12-inch raining sprinkler mixes water with air to increase the water pressure to 100%, and simulates the natural raining to provide you with natural contact of water experience How to Install:Rough-in Valve installation type.Come with clear install instruction. Size:12 inch square shower head, and 16 inch long shower bar Details: Material: Brass Color:black Finish: matte black Cold and hot:Yes Installation Type:rough-in valve. Faucet Weight:10.5 pounds (4.8kg)