CamelBak Crux Insulated Tube

Item: 40-5421
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If you live in an area of particularly hot or cold weather, keeping the water in your hydration pack at a normal temperature can be quite a challenge. Enter the CamelBack Insulated Tube. This replacement tube uses an insulated cover over the tube to prevent water from freezing in cold weather and keeps it cool in warm weather. It's compatible with all Crux Reservoirs, offers 20% more water per sip, and is BPS-Free, BPA-Free, and BPF-Free. The Crux Insulated Tube also features Hydroguard Technology, which inhibits the growth of bacteria inside the tube.


  • Keeps water from freezing during cold weather and keeps water cool during warm weather
  • Patented BigBite Valve mouthpiece provides hands-free use
  • Compatible with Camelbak Crux Reservoirs
  • Hydroguard technology inhibits the growth of bacteria in the tube
  • 20% more water per sip
  • 100% free of BPA, BPS, and BPF
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