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 fill Port: industry's largest opening with air-light 1/4 turn open/close for quick, secure seal that can't be over-tightened; lighter-weight, lower-profile design. Full clamshell opening for easy access to gear and medial insert (sold separately), asips radio attachment points hold comms securely with dual antenna ports, glasses, goggles and nvg pocket with external access, multiple drink tube exit ports -- for routing drink tube over the shoulder or under an arm, lightweight, durable 500D corduroy fabric.