Aster boasts the patented Protector mechanism, a unique technical solution.‎ Mounted inside the handles, it enables the tap to be turned off without straining the seal, thus drastically reducing wear and ensuring an extremely long working life.‎The Protector requires no adjustment and is maintenance-free.‎All the spouts are fitted with aerators which, by mixing air into the water, make the jet soft and silent.‎ To facilitate cleaninig of the suppport wall or top, the chromeplated caps can be turned and raised a few millimetres.‎All seats are made in stainless steel to provide the highest possible resistance against wear and erosion.‎Aster 3254 (Ref.‎1283) Concealed bath & shower mixer, automatic return to bath position diverter, with internal connections not assembled.‎ Supplied without spout and shower components.‎Aster 3254PS Concealed bath & shower mixer, automatic return to bath position diverter, with assembled internal connections and with wall mounted cover plate ref.‎ PS/1.‎ Supplied without spout and shower components