SteriPen AdventurerOpti Water Purifier

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SteriPen AdventurerOpti Water Purifier


The SteriPen AdventurerOpti, uses a revolutionary optical eye to sense the water. The patent-pending technology ensures safe use and provides purification in even the coldest of waters. When camping, backpacking and hiking, if you won't have access to the power grid for several days a time, AdventurerOpti is the product for you.

Proven Technology:

  • Destroys 99.9999% of bacteria
  • Destroys 99.99% of viruses
  • Destroys 99.9% of protozoa

AdventurerOpti SteriPEN Key Features:

  • Smallest and Lightest Steripen
  • Uses a revolutionary optical eye to detect water
  • Optical sensor doubles as a convenient LED flashlight
  • Flash light is easy to activate by pressing the single button for 3 seconds.
  • Includes 2 lithium batteries, neoprene case with belt loop.
  • Up to 50 treatments per set of disposable batteries.
Add To Cart


Weight (grams)
Battery Type
Batteries Included In Purchase? 
Battery Life

UV Lamp Life
Minimum Bottle Diameter


7.6"|19.3cm (L) X 1.5"|3.8cm (W) X 1.5"|3.8cm (H)
AA Lithium
Lithium Disposable: 200 treatments (16oz./0.5L), NiMH: 200 treatments; Alkaline and NiCd not recommended.
8,000 Treatments
20mm (0.8 inches)

SteriPen AdventurerOpti
Carrying case
Users Guide
3 Year Limited Manufacture Warranty