The Hansgrohe Crometta E Ecosmart Shower System Is The Clever Solution For Simple Bathroom Modernization. It Is Connected To An Existing Rough-In Or A Water Connection On The Wall (E.G. Hansgrohe Fixfit) With A Second Shower Hose. The Overhead Or Hand Shower (Sold Separately) Can Then Be Selected At The Push Of A Button Using The Hansgrohe Select Button. The Water Volume And Temperature Are Controlled Separately Via An Existing Fitting. Saving Water Made Easy: Thanks To Hansgrohe Ecosmart Technology, This Shower Reduces Water Consumption By Up To 40%. Requires Showerpipe Rough-In Basic Set No. 16181181 For Installation.