Purelux Shower Head 4 Inches Wall Mounted, 3 Spray Chrome Finish 4" Diameter Showerhead, 5 YEAR WARRANTY Contemporary design Easy dial plate with 3 Settings: rain, massage, rain & massage, Easy Clean Nozzles. Installation is super easy, no tools required. With the optional water restrictor that is included, flow rate can be restricted to 2.5 GPM. Recommend to fit with Purelux 6 Inch Universal Shower Arm, which can be searched by B012OJODO8 on Amazon. FREE plumber's tape is attached with the shower arm.