Hyperflow Microfilter

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Ultra-fast, lightweight, and efficient water treatment

The HyperFlow utilizes the latest Hollow Fiber Technology in a package 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. You'll feel extra safe knowing that MSR tests all HyperFlow Microfilters prior to shipping. Included is a Quick Connect Bottle Adapter™ — allowing direct connection to all MSR hydration products and a variety of other wide-mouth containers — and an advanced pre-filter to prolong the life of your filter.

The Hyperflow cartridge filters up to 1000 liters, and replacements are available separately. Results will vary depending on water conditions; silty water will clog your filter membrane faster than clear water. Remember to backflush your Hyperflow frequently, and use a pre-filter for maximum cartridge life.

International Restrictions Apply


Brand Name:
Micron Rating:
Flow Rate:
3 liters per minute
Treatment Type:
Pump Filter
Black / Red
7.8 oz packed weight
Protects Against:
Protozoa and Bacteria
Filter Material:
Hollow Fibers
7 x 3.5 in
Field Maintainable:
Made In:
Mfg Sku/Part Number:
Other Features:
• Effective Against: Bacteria (99.9999%), protozoa (99.9%) and particulate. Hollow fiber filter meets U.S. EPA drinking water standards* and NSF protocol P231 testing standard.
*U.S. EPA Guide Standard and Protocol for Testing Microbiological Purifiers
• 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 7 x 3.5 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
• Cartridge life: 1000 Liters (depending on water quality and frequency of cleaning)
• Made in the U.S.A. of U.S. and Imported Materials

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