The New SteriPEN Classic Handheld UV Water Purifier with Pre-filter is a portable water filtration device that utilizes ultraviolet light technology to purify water. With a filter life of 8,000 liters, this SteriPEN model is designed to provide clean and safe drinking water on the go. The sleek white and blue design makes it easy to use and transport, making it ideal for camping, hiking, and other outdoor activities where access to clean water may be limited.