111.798.00.1 Geberit Duofix In-wall System with Sigma Concealed TankWhen you pair a Geberit installation system with a compatible wall-hung washdown toilet, you get these benefits: Design freedom - choose a toilet bowl from any leading ceramic manufacturer; pair with stylish Sigma series flush actuators or compatible flush buttons Easy cleaning - clean the entire floor with a damp mop, no bending or kneeling Improved accessibility - requires less space than a standard toilet, enhancing safety and comfort; adjustable bowl height meets personal preference or ADA guidelines Water savings - built-in dual-flush, 1.6 / 0.8 GPF or 1.28 / 0.8 GPF saves thousands of gallons every year Superior function - engineered Geberit fill and flush valves eliminate problematic chains and flappers that corrode and fail