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We have reviewed the original Steripen Adventurer - not bad although very early models drew too much current when off (since fixed), and the very successful Steripen Adventurer Opti, which replaced the water sensing pads with a white LED sensor. Now the company has gone back to the original design, reviewed all that they have learned, and upgraded it to the Classic 3, which seems better than ever. It kills viruses, bacteria and protozoa in very short order (90 seconds for 1 liter), never blocks up, has a better water sensor than before and a better battery case for AA lithium batteries.


  • Introduction
  • What are the Hazards?
  • New Features
  • Field Testing
  • Details

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