The SteriPen Classic 3 Water Purifier is the original handheld UV water purifier. Reliable and portable,it's capable of treating 50 L of water using alkaline batteries and a staggering 150 L using lithium-ion batteries.

• Destroys over 99.9% of water-borne microorganisms that cause illness with UV light
• Treats up to 50 L with alkaline batteries or 150 L using lithium-ion batteries
• Accepts alkaline, lithium-ion, and NiMH batteries
• LED indicator panel lets you know treatment size and status of batteries and UV lamp
• Bulb will treat up to 8000 L of water
• Super easy to use: Just activate, place in water, and stir; LED indicators flash to let you know when water is safe to drink