LifeStraw

Personal Water Filter

LifeStraw is a water filter designed to be used by one person to filter water so that they may safely drink it. It filters a maximum of 1000 litres of water, enough for one person for one year. It removes 99.9999% of waterborne bacteria and 99.9% of parasites.

The LifeStraw Family, a larger unit designed for family use, also filters out 99.99% of viruses.

LifeStraw includes LifeStraw and LifeStraw Family, which are complementary point-of-use water filters designed by the Swiss-based Vestergaard Frandsen for people living in developing nations and for distribution in humanitarian crisis. LifeStraw Family filters a maximum of 18,000 liters of water, providing safe drinking water for a family of five for up to three years.
 
Eartheasy.com
 The LifeStraw is a plastic tube 310 millimeters long and 30 millimeters in diameter. Water that is drawn up through the straw first passes through hollow fibers that filter water particles down to 0.2 microns across, using only physical filtration methods and no chemicals. The entire process is powered by suction, similar to using a conventional drinking straw, and filters up to 1000 liters of water. While the initial model of the filter did not remove Giardia lamblia, LifeStraw removes a minimum of 99.9% of waterborne protozoan parasites including giardia and cryptosporidium.
 
 
 
 
 
LifeStraw has been generally praised for its effective and instant method of bacteria and protozoa removal and consumer acceptability. Paul Hetherington, of the charity WaterAid, has criticized the LifeStraw for being too expensive for the target market. He also points to other important problems linked with accessing the water in developing countries, which wait to be solved, but are not addressed by the device itself.
 
Although LifeStraw is available for retail sale in the developing world, the majority of LifeStraw are distributed as part of public health campaigns or in response to complex emergencies by NGOs and organizations that give them away for free in the developing world.
 
LifeStraw has been praised in the international media and won several awards including the 2008 Saatchi & Saatchi Award for World Changing Ideas, the ‘INDEX: 2005’ International Design Award and "Best Invention of 2005" by Time Magazine.

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