LifeStraw is perfect for mountain climbing, backpacking, camping, trip, and emergency preparedness. The straw-style filter out design means that you can flip as much as 1,000 liters of contaminated water into secure drinking water.
Ultralight: weighs simplest 2 ounces (57 grams)
Meets US EPA drinking water standards
Portable: simplest 9 (22.5 cm) long and 1 inch (2.5 cm) in diameter
Requires no electrical power, batteries or replacement parts
BPA free and incorporates no chemicals