Wirquin Easy Clic Retro Fit Dual Flush Mechanism

With its patented system, Wirquin EASY CLIC attaches directly over the existing installation without removing the tank
This new gasket ensures perfect sealing and allows instant filling of the cistern
(no drying or waiting time required).

[@matthaigh5296]

All these bullshit videos people wandering around the toilet with music but I can't find one that shows the process to adjust the part/full flush with the threaded red plastic rod on the side of the flush unit.