More than just a reservoir, the Mil Spec Antidote™ Reservoir redefines the ultimate delivery system for an operator’s water supply and provides maximum adaptability for changing missions or combat environments. Includes our Quick Link™ Exit Port and QL HydroLock™ Bite Valve Adapter: tube clicks off for faster refilling with auto shut-off; new Fillport: industry’s largest opening with air-light ¼ turn open/close for quick, secure seal that can’t be over-tightened; lighter-weight, lower-profile design.