Carry safe drinking water anywhere you go with the self-filtering LifeStraw Go that utilizes a two-stage filtration straw contained within the sturdy and lightweight (5.9 ozs.) BPA-free bottle. A replaceable activated-carbon capsule, along with hollow-fiber membranes, combine to remove 99.99 percent of bacteria and protozoa, all while clarifying the water’s taste and odor. The replaceable carbon capsule is rated for up to 26.4 gallons, and the hollow-fiber membrane is rated to filter 264 gallons. Simply fill with water and allow the straw to do the work as you drink. A handy carabiner is included. Price: $50. Contact: Eartheasy; (888) 451-6752; lifestraw.eartheasy.com.