Michael Pritchard, a British entrepreneur, designed the Lifesaver in the wake of freshwater shortages that followed the 2004 tsunami and Hurricane Katrina.
The humanitarian & military applications are enormous.
The bottle weighs about 1.5 pounds and can filter one and a half pints of clean drinking water each go. Its replaceable filter can handle more than 1,500 gallons of dirty water before it has to be replaced.
The process takes only 20 seconds and is simple enough: scoop some water, pump it through the filter and you’re ready to go. The instructions are displayed in pictures on the side of the bottle, so it can be used by anyone, removing the language barrier.