The CamelBak MIL-SPEC Crux Replacement Tube is designed to replace the CamelBak hydration pack drinking tube with the Pure Flow⢠delivery tube. The insulated cover offers protection against the weather, and the Quick Link⢠connector ensures easy attachment to the CamelBak MIL-SPEC Crux⢠reservoir. The tube also features the QL HydroLock⢠system and the Big Bite⢠valve and cover. CamelBak MIL-SPEC Crux Replacement Tube Brown - Gun Cases And Racks at Academy Sports