SteriPen Adventurer Opti 400761 folds down for better aerodynamics

folds down for better aerodynamics and roof clearance

Drop in pocket on left side

Our unique double halo harness designed with front-facing arm loops allows you to easily and safely buckle your child in place

The non-abrasive

SteriPen Adventurer Opti 400761 folds down for better aerodynamicsBackpacker Editor's Choice 2011. Germicidal UV light destroys viruses, bacteria and protozoa. 8,000 treatments. Purifies 0. 5 L (16 oz.) of water in 48 seconds or 1 L (32 oz.) in 90 seconds. Pocket size rugged purifier weighs only 3. 6 oz. with 2 CR123 batteries (included!). Optical water sensor also serves as integrated LED flashlight.