GBG Water Bottle

http://www.shopgbg.com/waterbottle.aspx?ID=315011
GBG WATER FILTRATION SYSTEM: You do not want to be without this great bottle. For emergencies, for backpacking, Carry in your car, and for just carrying with you wherever you go! A Portable Water Filter Bottle that is lightweight and reliable is not just a convenience, it is a necessity! All forms of recreation calls for you to take a water bottle with you, and this is the one that will assure you have good clean and SAFE water to drink whenever, and wherever you need it!