MSR Hyperflow Microfilter Bevarages Pre-cut bikini-style tail to reduce

Pre-cut bikini-style tail to reduce drag

making it ideal if you are prone to cold fingers

while reducing bulk and pressure points

Overlapping rainflap zippers protect contents from weather

MSR Hyperflow Microfilter Bevarages Pre-cut bikini-style tail to reduceThe 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