Installation systems 327 Installation DUPLO and BASIC 330 For wall-hung WCs 330 systems Basic for single floorstanding WCs 331 Operating plates for Duplo and Basic 332 DUPLO ONE and BASIC ONE 334 For wall-hung WCs 334 Operating plates for Duplo One and Basic One 336 ACTIVE ONE 338 For wall-hung WCs 338 For single floorstanding WCs 338 Operating plates for Active One 339 DUPLO for other products 340 For basins 340 For wall-hung bidets 340 For urinals 341 Accessibility and comfort 341 Dual 4,5/3L Flush Sensor activated Vandal-proof Novelty