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 wearand erosion.‎ Aster 3250 (Ref.‎854) Bath mixer for concealed wall mounting, bath spoutref.‎ Aster 0/251 L 115 mm or L 155 mm (Ref.‎855), not assembled internal connections.‎