The CamelBak Crux reservoir on/off valve pairs with the Big Bite valve, shutting off the water flow for added security during transport. Please note: this On/Off Valve does not ship with a Big Valve and it is NOT compatible with older style Antidote or OMEGA reg; reservoirs.

- Ergonomic on/off valve make it easy to grip tube and toggle while you\'re on the move

- Turn off water flow from CamelBak Crux Reservoir during transport

- 45-degree bend perfectly positions the Big Bite Valve for easy drinking

- The patented Big Bite Valve mouthpiece offers Hands-Free Hydration and is ideal for any high-performance situations.

- Self-seals after each drink to eliminate annoying drips.