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Steripen Adventurer Opti UV Water Purifier

  • Product Number: 1456 - 3360894

The Adventurer Opti™ UV water purifier is essential gear for thousands of adventurers and features a patent-pending technology – an optical eye senses water to ensure safe use and effective treatments. The revolutionary optical water sensor doubles as an integrated LED flashlight for added convenience on the trail or around the campsite: hold down the activation button for three seconds to illuminate the darkness.

Rugged design and construction trusted by thousands of endurance athletes. Adventurer Opti™ is powered by two CR123 batteries making it a lightweight water purification system and keeping it operating effectively in even cold environments. The long-lasting UV lamp provides purifies up to 8,000 liters! Works in containers with a minimum 1.75 inch diameter opening. (Like Nalgene wide-mouth bottles one liter bottles.


  • Effective against microorganisms
  • Suitable for clear water only
  • Suitable for cloudy water
  • For more frequent use
  • Lightweight and portable for on-the-go adventures


  • Technology UV
  • Weight: 4 oz
  • Battery type 2 CR123 (included)
  • Number of liters per set of battery 50
  • Lamp life 8000 activations
  • Volume options 1 click = 1 liter, 2 clicks = 0.5 liter
  • Includes Neoprene pouch
  • Fast: 0.5 L in 48 seconds, 1 L in 90 seconds.
  • Light: Weighs 103 g with batteries
  • Effective: UV light destroys 99.9999% of bacteria, 99.99% of viruses and 99.9% of protozoa for clean drinking water on trail.