with glass surface for dual flush or start & stop actuation for pneumatic discharge valve AV1 vertical and horizontal installation 156 x 197 mm made of security glass mounting set not suitable for flushing cistern 6 l GROHE StarLight finish GROHE EcoJoy technology for less water and perfect flow for combination with Rapid SL and Uniset with GD 2 cistern for use with Rapid SLX please order shaft 66 791 000 (sold separately)