The MiniWorks EX microfilter is a worldwide best-selling microfilter, delivering long-lasting, field-maintainable water filtration in demanding environments. Engineered for frequent and heavy use, it utilizes MSR's workhorse Marathon™ EX carbon/ceramic element to ensure clean, reliable and taste-free water. Thanks to its innovative AirSpring Accumulator™, it’s capable of pumping one liter per minute and the flow rate can be renewed easily and repeatedly in the field—no tools required. It’s lightweight and compact and, most importantly, been proven reliable by thousands of adventurers just like you. Features Reliable: Durable carbon/ceramic element ensures safe, taste-free water—even with frequent, heavy use. Field-maintainable: Can be cleaned repeatedly for full filter recovery with no tools required. Fast Flow: AirSpring Accumulator™ increases filtration speed; up to 1-liter per minute. Better-tasting Water: Carbon core removes unpleasant tastes and odors caused by organic compounds, such as iodine, chlorine, and pesticides. Easily attaches to Dromedary Bags (sold separately) and wide mouth bottles Specifications Weight 456 g Dimensions 7 cm x 19 cm Filter pore size 0.2 microns Filter media Hollow Fiber Water Bottle Adapter Yes Warranty Period 3 years Made in USA Video