SteriPEN is an essential part of your emergency preparedness. Natural disasters disrupt safe drinking water supplies in many ways, including electrical shutdowns, water-pipe damage or bacterial contamination of water lines. All have to potential to create ideal environments for microbial growth. SteriPEN eliminates the need to stockpile large quantities of water for emergency situations. SteriPEN® utilizes proven UV light to destroy bacteria, protozoa and viruses, quickly and effectively. Keeping a SteriPEN Emergency model in your home and car will give you the security and confidence that you and your family will have access to safe drinking water.