Essence Single-lever basin mixer for free-standing basins XL-Size single hole installation GROHE SilkMove 28 mm ceramic cartridge with temperature limiter GROHE EcoJoy mousseur 5.7 l/min GROHE AquaGuide adjustable mousseur GROHE StarLight chrome finish swivel spout with stop limiter smooth body flexible connection hoses GROHE FastFixation Plus installation system metal lever