Caroma’s DuoSet toilet is a two button flush system allowing the user to select between a 9 litre and a 4.5 litre flush. The clear acrylic cistern is a specially made demonstration model to show the internal mechanism.

The Caroma dual flush toilet was developed in response to Australia’s limited water resources. Caroma created a research and development project to reduce water use which was funded by a Commonwealth Government Grant. The research and development project led to considerable redes...