Sena Stick Hand shower 1 spray Normal metal SpeedClean anti-limescale system GROHE StarLight® chrome finish GROHE EcoJoy® technology for less water and perfect flow GROHE EcoJoy® 9.5 l/min flow rate Inner WaterGuide for a longer life Universal Mounting System. Fitting all standard shower hoses suitable for instantaneous heater GROHE DreamSpray® perfect spray pattern GROHE DreamSpray® perfect spray pattern