Thru-Link™ Inline Water FilterAdding 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 youre 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