Check the listing for details. New In Factory Package Camelbak HydroLink Conversion Kit Fits All CamelBak Packs. Color: Black, Condition: New with tags. Listed at 16.32 USD. Retrofit any CamelBak® Hydration System with HydroLink™ components. Includes HydroLink™, HydroLock™ and the HydroLink™ Bite Valve Adapter with Big Bite™ Valve. Made from medical grade silicone, the patented CamelBak® Big Bite™ Valve w/Hydrolink™ Adapter supplies unmatched water flow with ease. Just bite and sip! Works with all CamelBak® systems. Features: Offers Hands Free Hydration with a New Friction Fit Tapered Design Fits All CamelBak Packs Controls the Flow of Water With the Flip of a Switch Turn On to Drink and Turn Off for Added Security During Transport USGI Issue New In Factory Package UPC: 713852905125Retrofit any CamelBak® Hydration System with HydroLink™ components. Includes HydroLink™, HydroLock™ and the HydroLink™ Bite Valve Adapter with Big Bite™ Valve. Made from medical grade silicone, the patented CamelBak® Big Bite™ Valve w/Hydrolink™ Adapter supplies unmatched water flow with ease. Just bite and sip! Works with all CamelBak® systems. Features: Offers Hands Free Hydration with a New Friction Fit Tapered Design Fits All CamelBak Packs Controls the Flow of Water With the Flip of a Switch Turn On to Drink and Turn Off for Added Security During Transport USGI Issue New In Factory Package UPC: 713852905125