The MiniWorks EX Microfilter is the best-selling microfilter in the world. It provides long-lasting water filtration under challenging conditions and can be maintained on the go. Designed for frequent use and heavy loads, this microfilter utilizes the high-performance Marathon™ EX carbon/ceramic element to deliver clean, reliable, and tasteless water. With the innovative AirSpring Accumulator™, the pumping capacity is one liter per minute, and the flow rate can be easily and repeatedly renewed on the go—completely tool-free. It is lightweight, compact, and has proven itself in use by thousands of adventurers like you.