Overhead panel Grohe Arena Cosmopolitan Arena Cosmopolitan Wall plate 2 volume flush or interruption flush start / stop for pneumatic flush valve horizontal installation 156 x 197 mm Arena Cosmopolitan Wall plate 2 flushing volume, or interrupt the flushing start / stop for pneumatic flush valve vertical installation, 156 x 197 mm Arena Cosmopolitan Wall plate mechanical flushing plate for urinal set for final installation for Rapido U or Rapido UMB 116 x 144 mm Nova Cosmopolitan Wall plate mechanical flush