Geberit Sigma8
The Geberit Sigma8 Back to Wall Cistern with DuoFresh includes the in-wall cistern and the DuoFresh Odour Extraction System. The Sigma8 and DuoFresh System both sit behind the wall to keep the bathroom minimal. The Geberit DuoFresh Odour Extraction System uses a ceramic honeycomb filter to purify the air to keep the bathroom smelling fresher for longer. Buttons and DuoFresh Annual Servicing Kit to be purchased separately.
