. 97-107mm Inlet Flexible WC Connector for Back to Wall WC Pan Features. 97-107mm Inlet suits all pan spigots Independent tests prove conclusively that there is no build-up of sediment in the flex Soft synthetic rubber inlet connection Worm drive hose clip provides a secure & reliable connection to the WC pan spigot prior to the final placement against the wall of furniture Complies with DIN 1389 2000-05 Effective length Closed 150mm Extended 310mm LGA certified..