Securely install your wall hung toilet with the 820-1020 Concealed Cistern & Mounting Frame. This steel frame features a reliable and adjustable design, allowing you to adjust both the height and depth to fit most wall hung pans. The toilet cistern offers a dual flush system, giving you the option of a full 6L flush or an eco-friendly 3L flush. The concealed cistern unit also provides convenient access from both the top and bottom after installation. Complete your wall-hung toilet by adding the large rectangle matt black dual flush button, made from ABS Plastic. Please note: Before installation, it is recommended to pre-fit the pan to the frame to ensure compatibility of fixing centres.