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Exstream XR Purifier

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Don't let illness ruin your adventure by not filtering your water properly. The EPA registered Exstream XR Purifier by Katadyn incorporates 3 filters into a water bottle design to remove all types of microorganisms and viruses. Perfect for day hikes, extended trips and travelling.


  • The Virustat cartridge uses Virustat Technology to kill viruses and bacteria
  • A carbon filter eliminates odors and improves the taste of the water
  • The Cyst filter removes parasties and protozoa, including giardia and cryptosporidium
  • The large 1-liter water-bottle design is an ideal size for backpacking and trekking
  • Bite valve allows hands free opening
  • Convenient carry loop


  • Weight: 8 ounces
  • Height: 11 inches
  • Bottle Capacity: 34 fluid ounces
  • Cartridge Capacity: Up to 26 gallons depending on water quality

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