321 &mdash pronounced &ldquothree to one&rdquo &mdash is a reusable water bottle, or more exactly a portable water purifier designed to provide clean water to travelers. the concept behind the simple name is quite impressive three liters of water is required to manufacture merely one liter of bottled water, but you could save more water using the 321 water. besides, the product also helps to reduce the need of plastic bottles. the innovative water purification system is easy to use, all you have to do is to fill the bottle with tap water through a drip system and slot in the filter. sourcehttpwww.inewidea.com2010040229982.html
