Looking for a cistern for a toilet with some height restrictions? This is the one for you. Its reduced height makes it ideal for installation under a window. Even given its smaller size this cistern still has a generous flush capacity. Factory set to 5.8 / 3 litres. This still offer a generous flush.
Also given that this cistern will be installed behind your wall quality is always a thought. Geberit offers a 1-year guarantee along with it for total peace of mind.