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Recently, I found out about a new product that can purify water- the Life saver bottle.
The Life saver bottle is a portable water purification device. Designed by Michael Pritchard, the bottle filters objects larger than 15 nanometres. The bottle allows military personnel and also civilians, hit by disasters to create safe drinking water.
The bottle's interchangeable filter can purify between 4,000 and 6,000 liters (1,050 to 1,585 gallons).It filters out objects wider than 15 nanometres—including viruses, bacteria, and heavy metals. The carbon filter does not require chemicals. The process of filtering the water takes 20 seconds, allowing for 1.5 pints of water to be filtered. Once a filter has reached its limit, it will not allow contaminated water to be drunk. The Livesaver bottle has been used by soldiers for drinking water as well as cleaning wounds.
http://www.ted.com/talks/lang/eng/michael_pritchard_invents_a_water...
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