Shower set series hansgrohe crometta finishes chrome white features anti calc system connection thread 12 swivel ball joint shower fitting components hand shower head shower hose shower arm shower head shower rail korrosionsschutz hansgrohe quickclean anti calc function anzahl der strahlarten 1 installation wall installation diameter of connector 12 inch flow rate 17 lmin minimum flow pressure 15 bar maximum flow pressure 10 bar shower head diameter