Features Enter your model number to make sure this fits. Ambush Backpack - Coyote Description Product Description Ambush Backpack 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. Description:CoyoteExternal fill access—allows for a quick refill without removing packMil Spec Antidote reservoirSide-release shoulder straps for rapid removalMultiple drink tube exit ports—for routing drink tube over the shoulder or under an armTop and bottom external pockets hold small essentialsLightweight, durable Rip-Stop