With the coating appearance 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. The external tube, 100% made by stainless steel, and two solid BRASS/COPPER connectors ensure non-rusty and durable. The internal pipe, 100% made by premium material EPDM, which is non-toxic & odorless, heat-resistan and cold resistant, high water pressure resistance. Brass Material,Adjustable,The male thread standard ½” NPT PIPE connectors and the male thread G1/2" shower hose connectors. 44 Powered Anti-Clogging Silicone Jets,Prevent lime and hard water deposits,strong shower stress Wash off easily Shampoo on thick hair. INCLUDES: Handheld shower head(Brass), 1.5M shower hose(304 stainless steel),shower holder(Brass ).