Built-in single-lever mixer with ceramic disc technology and diverter. 2471-081STUP = Mixer 2400F. 2471-081STAP = Handle NR21, handle NR24G, hand shower and hand shower holder with non-return valve 070, hose 1500 mm, shower head 080ST, 60 mm round flanges: 001, 001G, 2001.