▶THE SHOWER SYSTEM INCLUDE -- 12 inch square rain shower head(304 stainless steel),hand-held shower head(Brass),7.9 inches shower arm(Brass),59 inch shower hose(304 stainless steel),shower holder(Brass), Shower mixer control valve (Brass) ▶AIR PRESSURIZATION -- With adoption of innovative air injection technology, even in low water pressure installations, the 12-inch raining sprinkler mixes water with air to increase the water pressure to 100% ,and simulates the natural raining to provide you with natural contact of water experience. ▶CONCEALED INSTALLATION -- The American standard NPT1/2 connector is compatible with any type of pipe. Solid Brass Pressure Balancing Shower Mixer Valve(Contain Trim and rough-in valve) ▶EASY OPERATION -- Single lever design for effortless flow and temperature control. Shower mixer valve (2-in-1 diverter + hot/cold control)Air energy technology offer consistent powerful rain shower. ▶WARRANTY -- Brushed Nickel finish offers a sleek look, ensuring corrosion resistance and durable. 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.