SteriPen Water Purifier Pre-FIlter

When clear water is not available, use the Water Bottle Pre-Filter by SteriPEN™. The Pre-Filter filters out particulates and debris. Fits on Nalgene® & wide-mouth water bottles. This is the Pre-Filter only, check the bottom of the page for the SteriPEN unit. SteriPEN purifies water using Ultraviolet (UV) light. Whether your source is a clear running brook or a hotel tap, SteriPEN™ destroys viruses, bacteria and protozoa including Giardia and Cryptosporidium in seconds.