Thank you for your interest in the botlfilter portable water filter system. The botlfilter™ is the first product of botl Inc., a Canadian company with a mission to create environmentally responsible products. Our focus is developing products that reduce plastic waste. The botlfilter™ system delivers the fresh taste of filtered water on the go, at a fraction of the cost of bottled water, with no plastic waste! Use it anywhere drinking water is available. Just drop, shake and go!