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.
When camping, hiking, backpacking or traveling the Classic 3 with Pre-Filter is the perfect pack to keep you safely hydrated. Classic 3’s UV light destroys over 99.9% of waterborne microorganisms that cause illness.
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.
Not much to say about it other than I used it a lot and never got sick. The SteriPEN is a super convenient way to sterilize drinking water in a Nalgene.
So its convenient and I don't get sick soooo it must work.
SteriPEN Classic 3 Water Purifier with Pre-Filter
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