Features the patented Big Bite™ Valve made of medical grade silicone. Supplies unmatched water flow with ease
Wide OMEGA® fillport opening makes it easy to clean and fill
Includes HydroGuard™ Technology, which inhibits the growth of bacteria on reservoir and tube surfaces. Does not protect user from bacteria or other disease-causing organisms
Taste-free multi-layered Pure Flow™ drink tube has been proven by third party testers to keep water tasting fresh -- no plastic taste
