FREE Shipping on all orders over $75
Our Locations
< Back
ADONewBoxwithpen Enlarge View
Alternative Views
  • ADONewBoxwithpen
  • ADONew-e
  • Opti-Flash-on-MaP
  • Opti-in-bttle_moss
  • steripen-adventurer-opti-1


Adventurer Opti Pack

sku# 32102421000000

Product Description

Product Description

SteriPEN Adventurer Opti UV Water Purifier, Lightweight water purification for peak performance in the outdoors!

SteriPEN Adventurer Opti was built for the toughest mountains and rivers in the world.

Backpacker Magazine gave it their Editor’s Choice Award in 2011 for changing the face of portable water purification.

  • Recipient of a 2012 Desnivel Award … one of the 15 best new products. When camping, backpacking & hiking, if you won’t have access to the power grid for several days a time, this is the water purification system for you.
  • 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.

Features & Specs


  • 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.)
  • Desnivel AwardBackpacker Magazine Editors' Choice AwardTrailRunner Magazine Editors' Choice


  • Weight 3.8 oz
  • Dimensions 6.1 x 1.5 x 1 in
  • Lamp Life 8,000 treatments
  • Battery CR123 (included with purchase) or RCR123
  • Battery Life Disposable — 100, 0.5 liter treatments   Rechargeable — 80, 0.5 liter treatments
  • Minimium Bottle Diameter 35mm (1.4 inches)
  • Contents: SteriPEN Adventurer Opti Water Purifier, two disposable (non-rechargeable) CR123 batteries, neoprene case with belt loop, and user’s guide. Three year limited warranty.

Product Video