How does it work?
Stage 1
Opening the tap
![](https://www.tethys-innovation.com/eshop/wp-content/uploads/2019/07/ani1.jpg)
Stage 2
The device fills up
![](https://www.tethys-innovation.com/eshop/wp-content/uploads/2019/07/ani2.jpg)
Stage 3
The device is ready for collecting the clean water
![](https://www.tethys-innovation.com/eshop/wp-content/uploads/2019/07/ani3.jpg)
Steady Pressure
In the pipeline path (red arrows) an independent circuit with steady pressure is created
![](https://www.tethys-innovation.com/eshop/wp-content/uploads/2019/07/ani4.jpg)
Stage 4
Usage of tap water and separation of the clean unused water from the grey used water
![](https://www.tethys-innovation.com/eshop/wp-content/uploads/2019/07/ani5.jpg)
Stage 5
First short-term discharge of the grey used water in the sink
![](https://www.tethys-innovation.com/eshop/wp-content/uploads/2019/07/ani6.jpg)
Stage 6
Long-term discharge of the grey used water in the sink
![](https://www.tethys-innovation.com/eshop/wp-content/uploads/2019/07/ani7.jpg)