Meet the Camelbak Antidote Hydration Reservoir. More than just a reservoir, the Mil Spec Antidote Reservoir redefines the ultimate delivery system for an operator's water supply and gives largest adaptability for changing missions or combat environments. The Antidote has Quick Link Exit Port and QL HydroLock Bite Valve Adapter meaning the tube clicks off for faster refilling with auto shut-off. The QL HydroLock offers easy, one-handed on/off water flow on drink tube. The Fill port is the industry's largest opening with air-light A 1/4 turn open/close for quick, secure seal that cannot be over-tightened resulting in a lighter weight, lower profile design. The low-profile, baffled design reduces reservoir stack and maximizes stability.Features Quick Link and QL HydroLock drink tube: quickly and easily attach any CPC accessory including the USMC standard filterInsulated drink tube cover protects tube from harmful UV rays and abrasionCamelBak Got Your Bak Guarantee. Backe...