▶THE RIAN SHOWER INCLUDE -- 10 inch Square rain shower head（304 stainless steel）, handheld shower head（Brass）, 16 inch shower arm（Brass）, 59 inch shower hose(PVC)，shower holder（Brass）, shower mixer control valve(Brass) ▶AIR PRESSURIZATION -- With advanced air injection technology to offer more water pressure, its ultra-thin shower head delivers a consistent, powerful, pleasurable shower even under low water pressure while saving more water. ▶PRESSURE BALANCE VALVE CARTRIDGES(ANTI-SCALD) -- Valve core is certified by CUPC,stamping technology, Anti scald，Brass material,Protective box. To protect you against scalding and cold water shock caused by sudden changes in either hot or cold water pressure. ▶CONCEALED INSTALLATION -- This shower system is American standard NPT1/2 connector, Brass Shower Bracket Holder and Solid Brass Shower Mixer Valve(Contain Trim and rough-in valve body). Shower mixer valve (2-in-1 diverter hot/cold control). Single lever design for effortless flow and temperature control. ▶WARRANTY -- 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. 5 years warranty, If there are any problems with the quality.We will send the free replacement to you. Any questions,pls feel free to contact us.