MSR Hyperflow Microfilter Clearance ✓ Stuff Sack

✓ Stuff Sack

The Rear Hook Walk System is simple

Our most popular hiking sock style

8 cm Fabric 50D Polyester Material(s) Die Cut Urethane Foam Country of Origin USA*Built of the Finest U

MSR Hyperflow Microfilter Clearance ✓ Stuff SackThe 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