Traveling soon? This small water filtration system can fit in your pocket. It helps to keep thousands of plastic water bottles out of the landfills. With one set of four AA alkaline batteries, Classic 3 purifies up to 50 liters or supercharge your Classic 3 with lithium batteries and treat up to 150 liters. With a lamp life of up to 8,000 liters, you’ll be drinking safe water for over 7 years!
Trusted on mountains and trails for over 15 years, SteriPEN® Classic is the best-selling portable UV purifier of all time. Since 1999, hundreds of thousands of people have ensured their drinking water is safe and avoided ruined adventures with SteriPEN® Classic.
With SteriPEN Classic 3, one set of four alkaline batteries will treat 100 half-liters or 50 full liters of water. Or supercharge your SteriPEN with a set of lithium batteries and you’ll treat up to 150 liters! Classic 3’s enhanced LED indicator panel lets you know treatment size and status of batteries and UV lamp. Classic 3 is sleek and ergonomic with an easy-to-remove twist-off lamp cover. Like all SteriPEN UV water purifiers, Classic 3 is simple to use: remove the lamp cover, press the activation button, submerge in water and stir. In 48 seconds you have ½ liter of safe drinking water or purify a full liter in 90 seconds. Compared to standard chemical treatments that can take up to four hours, that’s safe water fast without adding chemicals that can leave an unpleasant aftertaste.
Ergonomic design with a new easy-to-remove twist-off cap.
The first SteriPEN to work effectively with alkaline batteries. Can be powered by alkaline, lithium, or NiMH batteries.
Enhanced LEDs indicate treatment size and status of batteries and lamp.
Watertight. No more worries about dropping your Classic 3 in a bottle or stream.
So easy … just activate, place in water, and stir. LED indicators flash to let you know when water is safe to drink.
The key to your international and plastic water bottle-free travel life.
Purifies a half liter of water in 48 seconds or 1 liter in 90 seconds. Simple and easy to operate. Device activates when the lamp is placed in water, simply insert and stir until the light shuts off.
Destroys over 99.9% of bacteria Viruses and protozoa, like Giardia and Cryptosporidium Certified for purification by the water quality Association
Fast safe effective and chemical-free doesn't alter Taste pH or other water properties reusable to purify up to 8,000 liters
Tapered end fits most commercial water bottles, canteens, or drinking glasses.
Easy to Use
Prevents the use of plastic water bottles
We recommend using this in a uncoated, unanodized/uncoated stainless steel to have the best health benefits.