Comfort thermostat concealed for 2 outlets: such as handheld shower and shower head Easy control: Single handle diverts water from the first outlet to the second outlet (showerhead, tub spout, handshower, etc) The single handle allows you to conveniently switch between handheld shower and shower head Built to last: Brass internal components compliment a polymer trim plate for a surface that is resistant to dents, chemical corrosion, and mineral accumulation Includes handle, sleeve, function block, escutcheon and shut-off/diverter valve Shiny appearance: the brilliant, Easy to clean chrome surface impresses with its long-lasting shine Required parts: This product requires Quattro Diverter rough (15930181), Quattro Green Diverter (15936181), or Trio Diverter (15984181) for Installation Installation notes: Hansgrohe recommends a licensed plumber install this product