With a rich history of innovative thinking, Geberit has grown to be a market leader throughout the world. Incorporating Swiss know-how and luxury into its advanced range of hidden cisterns and buttons, Geberit enables clean, sophisticated bathroom designs with the highest levels of sustainability. The Geberit Mechanical Under Counter Back To Wall Cistern 150 is a high quality one piece tank which is impact resistant and suits back to wall S and P trap pans.