Turns any hydration reservoir into a filtration system, for clean water that keeps pace with you. Adding minimal gear to your pack, the Thru-Link inline filter is the simplest solution to clean water on the go. Just click it into your hydration reservoir and you&';re ready to filter as you drink and hike. Engineered for high-flow drinking, it makes it easy to stay hydrated on long day hikes and fast-paced missions. The filter is compatible with any reservoir system, and uses both hollow fiber technology and activated carbon to provide reliable, safe and taste-free water. At camp, the Thru-Link lets you use your reservoir as a gravity system for the luxury of pump-free filtration. Keep Moving: Don&';t stop to filter-just scoop and go. Engineered specifically for high-flow, easy drinking. Two-Stage Filtration: Fast-flow hollow fiber removes pathogens, particulate & microplastics; activated carbon reduces chemicals, tastes and odors. Quick-Connect: Compatible with any hydration reservoir system on the market. Proven: Used by the U.S. military for more than a decade; rugged ultrasonic welded housing for reliable durability. Effective Against: Bacteria (99.9999%), protozoa (99.9%) and particulate (dirt, microplastics). Meets U.S. EPA drinking water standards* and NSF protocol P231 testing standard for removal of bacteria and protozoa. *U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers Made in the USA of US and Imported Materials