SOLVATTEN® is a combined solar water purifier/heater. It produces safe and hot water by using solar energy. Expose Solvatten for 2-6 hours of sunshine to purify water from all micro biological contaminations. An indicator turns green when the water is safe to drink. The design of the unit and the weight of 11 liters of water makes it is easy to carry. No batteries, chemicals or spare parts required. Solvatten is made of durable FDA approved materials and has a lifespan of 7-10 years or more. Solvatten is a transformative solution for households and can be used where large infrastructure investments is not possible.