It's All In The Cap.
Integrating powerful UV technology into an energy-efficient cap, CamelBak All Clear delivers optimum UV exposure at the press of a button for purification so reliable, we’ve backed it with our Got Your BakTM Lifetime Guarantee. Engineered to perform even under the toughest conditions, All Clear has been tested and retested under severe conditions to deliver drinking water you can trust, everywhere and every time you need it.