GEIGERRIG Hydration Engine



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GEIGERRIG™ Hydration Engines, often referred to as “reservoirs” or “bladders”, are compatible with almost any pack. Simply spray to cool, clean, share, and drink. GEIGERRIG™ engines are plug-and-play ready for on-the-go inline filtration. Modern hydration system have become known as a plastic bag with a drink tube that can only be used for hydration for one person. The pressurized system dramatically expands the uses and access to water, making the GEIGERRIG™ superior to traditional hydration systems.


  • Filter-ready reservoir with quick release valves. Fully reversible, dishwasher safe, and include slide top for easy refill, cleaning, and drying.
  • Includes reservoir, power bulb, slide top, air tube, and water tube.
  • Wide mouth opening for easy refill with water and ice and convenient cleaning.
  • Hydrapak Slide Top provides a very strong, leak-free seal and stands up to the pressure of the GEIGERRIG™ system
  • Quick release valves allows you to easily disconnect the tubes for refilling and cleaning
  • Filter ready for plug-and-play inline water filtration
  • Easily reversible for cleaning and dishwasher safe (top shelf)
  • Nylon fabric on back of reservoir for added protection against other items in your pack
  • BPA and Phalate Free

Additional information


1.5 Liters / 50 Ounces, 2 Liters / 70 Ounces, 3 Liters / 100 Ounces