Water Supply Solutions LifeStraw

LifeStraw (1/8)

A woman takes a drink using a LifeStraw personal, a portable water purifier that kills bacteria and viruses responsible for waterborne diseases, such as cholera, typhoid, diphtheria, and common diarrhea, which afflict millions of people each year.

This model, which can purify a minimum of 700 liters of water - enough water for between six months and a year - costs around 3.50 US dollars. The LifeStraw won an Index International Design Award in 2005, and was named "Invention of the Year" in 2005 by Time magazine. (Photo: Vestergaard Frandsen)

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