Eurodisc Cosmopolitan Single-lever basin mixer 1/2" L-Size single hole installation metal lever GROHE SilkMove 35 mm ceramic cartridge adjustable flow rate limiter GROHE StarLight chrome finish GROHE Zero isolated inner water ways - lead and nickel free GROHE Quickfix Plus installation system mousseur swivel tubular spout with stop restriction pop-up waste set 1 1/4" flexible connection hoses