Trusted by thousands of outdoor adventurers, the MSR MiniWorks EX Microfilter is one of the world’s best-selling pump filters — prized for its long-lasting performance, taste-improving filtration and full field maintainability. Built for frequent, heavy use, it features MSR’s proven Marathon™ EX ceramic + carbon element, ensuring safe, clean and better-tasting water from lakes, rivers and backcountry sources.
The MiniWorks EX is also refreshingly simple to maintain in the field — its design allows you to restore flow repeatedly without tools, keeping performance high for the long haul. The AirSpring Accumulator™ pump system delivers up to 1 litre per minute, and the carbon core reduces unwanted tastes and odours from water treated with chlorine, iodine, pesticides or natural organic compounds.
Light, compact and compatible with wide-mouth bottles, it has become a go-to filter for hikers, expedition trekkers, paddlers and emergency planners seeking reliability they can count on trip after trip.
👉 Built to last, easy to clean and trusted worldwide — the MiniWorks EX Microfilter is a proven water treatment system for demanding adventures.
