* ADVANCED WATER FILTRATION. Protects against 99.9999% of bacteria (including E.coli, Salmonella), cysts, particulates, sediments, as well as sand, dirt, and cloudiness
* THOUGHTFUL AND SUSTAINABLE DESIGN. Ultralight and durable, the straw weighs about 2 ounces so you can pack it anywhere without the need for electrical power, batteries, or replacement parts
* MADE TO LAST. Long-lasting membrane microfilter will last up to 4,500 liters of water (that’s enough drinking water for an individual for over 5 years). The flow rate is 3 liters per minute by suction
* RIGOROUSLY TESTED. Meets sterile and WHO standards for the removal of bacteria and parasites; BPA-free, chemical free