SteriPEN UV water purifiers are the quick, light and easy way to ensure safe drinking water. Bottled water manufacturers and major cities around the world harness the power of UV light to make sure their water is safe to drink; with SteriPEN, so can you! SteriPEN water purifiers go everywhere; whether you’re traveling the world, venturing deep into the backcountry or facing a natural disaster, you can depend on a low-profile and lightweight SteriPEN UV water purifier to kill 99.9% of all viruses, bacteria and protozoa. SteriPEN has received the Water Quality Association’s (WQA) Gold Seal, certifying that SteriPEN purifies water safely and effectively. Furthermore, all SteriPEN water purifiers have been tested by the WQA against the U.S. EPA Microbiological Water Purifier Standard. With SteriPEN, you can feel confident that you’ll get safe drinking water no matter where you are or what emergency you face.