The MiniWorks EX microfilter is the worldwide best-selling microfilter, delivering long-lasting, field-maintainable water filtration in demanding environments.
Engineered for frequent and heavy use, it utilizes our workhorse
Marathon™ EX carbon/ceramic element to ensure clean, reliable, and tastefree
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, compact and, most
importantly, been proven reliable by thousands of adventurers just like you.
MSR MiniWorks Microfilter
• 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 are caused by organic compounds, such as iodine, chlorine, and pesticides.
Weight: 1 lb / 456 g
Width: 2.75 in / 7 cm
Length: 7.5 in / 19 cm
Filter media: Ceramic Plus Carbon
Filter pore size: 0.2 microns
Flow (L/min): 1 liters per min
Flow (strokes per liter): 85
Cartridge life: ~2000 liters