It will change the way you travel in the backcountry. 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
NOTE: Find in Store Inventory levels are continuously changing. Please contact store to confirm availability is as shown.
- 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
- Leaves the warehouse in 1-7 business days depending on order volume.
- Items may be returned within 60 days of the order date to an Atmosphere retail store or an Atmosphere warehouse. Items must be returned unused/unworn and electronics unopened. See Online Return Policy and Return Instructions for more information.
- Note: Shipping restrictions may apply based on location and product size.