MSR HyperFlow Backcountry Water Filter

MSR HyperFlow Backcountry Water Filter Brand new in open box! Box has some wear, see photos. -Microfilter utilizes Hollow Fiber Technology and advanced engineering to make water treatment highly mobile and easy to use -Ergonomic design, diminutive size and tool-free maintainability make it just as appropriate on day trips as it is on multi-day excursions -Filtration rate of three liters per minute; includes Quick Connect bottle adaptor, allowing direct connection to all MSR hydration products and a variety of other "wide mouth" containers -Hollow fiber filter with 0.2-micron pores, effective against protozoa, bacteria, and particulate; three liters per minute flow and 20 strokes per liter of water