The spool of the shower faucet is made of solid brass, which is healthier, which is more healthy, in line with drinking water standards and durableWhy use copper?product information:Style: ModernProduct Name: Dark Shower SystemInstallation: Wall-mountedProcess: ElectrophoresisCold and heat switch: YesManufacturers warranty: 5 yearsMaterial:Shower Valve: Brass H59Hand hold shower: copper + siliconeRainfall Shower Head : copper + siliconeShower arm: brassProduct Size:Installation depth: 7.0-9.5cmShower: 20x20 cmShower: 40 cmHose: 150 cmInstallation size: G1/2Packaging includes:1 x8 "Rain and sprinkle head1 x shower tap control valve1 x boosting handheld shower1 x shower extension arm1 x shower hose1 x shower bracketStandard connection g 1/2 ", including all installation attachments;note:All data is hand-made, slightly errorDue to the physical factors such as light, camera color and light, there may be fine color difference.Brand Standard: Our goal, in order to meet all the requirements of our customers, we will have been working. Everything we do is in order to correct and accurately complete the customer's order.