Grohflex Cosmopolitan Dual Function Thermostatic Trim With Control Module GROHE StarLight finish for scratch and tarnish-resistant surfaces for a lifetime of beauty GROHE TurboStat technology delivers water at a desired temperature within a fraction of a second and keeps it constant for the duration of the shower For shower/tubs with non-diverter tub spout or Integrated volume control 2-way Diverter function Requires GrohFlex universal rough-In box (35 026 000) (sold separately)