Simplified system to add in wall-hung and in some models of back to wall wc self-cleaning features.
The system is installed in the inlet water connector.
For the installation it is just needed a small hole on the rim.
The nozzle is installed on a sliding flexible metal hose adjustable by a wing nut. Lenght 180mm.
Various nozzles available.
Also available pan connector lenght 300mm (art 32.801)