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Watercone is a polycarbonate cone with the capacity to purify up to 1.5 liters of water a day with just a little solar energy.
All users have to do to create drinkable water is pour dirty or salt water into the cone’s black base, place the cone atop it in the sun. As the water evaporates upwards it condenses on the cone’s inner wall and tricles down into a seperate trough. To access the clean water simply lift the cone and pour.
Link – via treehugger
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