Eurosmart Cosmopolitan Single-lever basin mixer 1/2" M-Size single hole installation metal lever GROHE SilkMove ES 35 mm ceramic cartridge with energy saving function via cold start adjustable flow rate limiter adjustable minimum flow rate approx. 2.5 l/min temperature limiter GROHE StarLight chrome finish GROHE EcoJoy mousseur 5.7 l/min GROHE QuickFix installation system with centering support retractable chain flexible connection hoses