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WCless’

WCless’ temporarily alters a normal toilet into a waterless one. In general 8 visits out of 10 to a toilet are for urine. With WCless’ there’s no need to flush the toilet after urinating. Much fresh water is saved, and less wastewater is generated. There is no need to purify the water before it is returned back to nature, saving both money and the environment.

Mika Priha

Mika Priha is an industrial designer, who at the moment is focusing on his own studio Mika Priha Design. Products that Priha has designed have been showcased in many exhibitions, for example, in Helsinki, Milan, Paris, Florence and Malmö. He has won many domestic and international design awards and other recognitions: the Red Dot Design Award, the Good Design Award, a Nomination for the German Design Award, the Fennia Prize and Forma Finlandia.

Key Insights

A device for temporarily converting a private home flush toilet into a waterless one. A lack of fresh water will be one of the major problems in the future. The use of flush toilets consumes large amounts of water. We should all save this resource. In general, eight out of ten visits to the toilet are for urine. If we did not flush the toilet each time after such a visit, we would save approximately 70% of the water flushed. Furthermore, each cubic meter of clean fresh water conserved also means a reduction of at least 175 g in CO2 emissions.

The invention consists of three elements: the device, the moving tool and the storage unit.

The device has a silicon rubber adapter to create a surface that seals the odours underneath. The shape is designed to suit almost every toilet bowl in the market. It can easily be modified with a simple cutting tool if needed. The outer rim of the adapter forms an odour sealing contact with the inner surface of the toilet bowl.

The moving tool is for lifting the device easily and sanitarily from the toilet to the storage unit. The storage unit is for storing the device when it is not in use and also to keep it clean and hygienic. Using the moving tool is as simple as using a toilet brush.

This invention does not compete with waterless toilet solutions. The purpose of the invention is to make already installed flush toilets environmentally friendly by consuming less water. One can very easily and economically convert the existing toilet at home to be temporarily waterless without any renovation work.

This is also a clever solution when a home is not connected to the wastewater line. This invention saves a great deal of money because the frequency of emptying the waste water tank is greatly reduced.

Material partners: Novosan Oy, Bestdan Oy, Consmet Oy, Materflow Oy, Jeppe Tuomainen / Jepulis Oy, Klaus K Hotel, Villeroy & Boch Gustavsberg Oy


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