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 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.
- 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.
| Effective against protozoa | Yes |
| Effective against bacteria | Yes |
| Effective against viruses | No |
| Effective against particulate | Yes |
| Effective against chemicals/toxins | Yes |
| 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 |
| Field cleanable | Yes |
| Field maintainable | Yes |
| Country of Origin | Made in Seattle, USA |
| Mechanical advantage | Yes |
| Water Bottle Adapter | Yes |
| Cartridge replacement indicator | Yes |
The HyperFlow microfilter utilizes the latest Hollow Fiber Technology and our most advanced engineering to make water treatment so small and so easy to use, it will change the way you travel in the backcountry. Its ergonomic design, diminutive size and tool-free maintainability make it just as appropriate on day trips as it is on multi-day excursions. Add a filtration rate of 3-liters per minute and you’ve got the most efficient microfilter ever created. Also included is a Quick Connect bottle adaptor—allowing direct connection to all MSR® hydration products and a variety of other "wide mouth" containers—and an advanced prefilter to prolong the life of your filter.
- High Flow Rate: Pumps more than 3 liters per minute or one liter every 20 strokes.
- Ultralight: Just 7.4 oz. (209 g).
- Ultra-small: Just 7x3.5 in. ( 17.8 x 8.3 cm) makes it easy to take along even when space is at a premium.
- Field-Maintainable: Can be cleaned repeatedly for flow recovery without tools.
- Super Convenient: Quick Connect bottle adapter lets you filter water directly into a variety of containers, including all MSR hydration products and other wide-mouth containers
| Effective against protozoa | Yes |
| Effective against bacteria | Yes |
| Effective against viruses | No |
| Effective against particulate | Yes |
| Effective against chemicals/toxins | No |
| Weight | 7.8 oz / 221 g |
| Width | 3.5 in / 8.3 cm |
| Length | 7 in / 17.8 cm |
| Filter media | Hollow Fiber |
| Filter pore size | 0.2 microns |
| Flow (L/min) | 3 liters per min |
| Flow (strokes per liter) | 20 |
| Cartridge life | ~1000 liters |
| Field cleanable | Yes |
| Field maintainable | Yes |
| Country of Origin | Made in Seattle, USA |
| Mechanical advantage | No |
| Water Bottle Adapter | Yes |
| Cartridge replacement indicator | No |
