Essence Three-hole basin mixer L-Size metal lever ceramic headparts 1/2", 90° GROHE StarLight chrome finish GROHE EcoJoy mousseur 5.7 l/min GROHE FastFixation installation system with mousseur pop-up waste set 1 1/4" pressure-proof flexible connection hoses between spout and side valves union nut 1/2" x 10.5 mm