Rainshower In.F In. Series Body Spray GROHE StarLight finish for scratch and tarnish-resistant surfaces for a lifetime of beauty GROHE DreamSpray features advanced shower engines to deliver precise and consistent water distribution throughout any spray pattern for an unparalleled and custom showering experience GROHE FlowBalance (a regulating screw to adjust flow rate: and spray performance of body spray)  have perfect water flow even in customized multiple shower installations 5 in. x 5 in. 1/2 in. NPT Female threads