SteriPen Adventurer Opti UV Water Purifier Compact, rugged , and lightweight – trusted by thousands of endurance athletes Patented optical LED water sensor doubles as a flashlight Reuseable for up to 8,000 liters – thats over 7 years of safe drinking water! FEATURES of the SteriPen Adventurer Opti UV Water Purifier Compact, rugged , and lightweight – trusted by thousands of endurance athletes Patented optical LED water sensor doubles as a flashlight Reuseable for up to 8,000 […]

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