The MSR Auto Flow Gravity Filter takes backcountry hydration to the next level. It combines water filtration, storage and collection into a single, lightweight and pump-free system.
- 4-liter reservoir allows you to filter large quantities at once making it perfect for groups
- Quick and easy tool-free cleanings maintain high flow rates on extended expeditions
- Can be cleaned repeatedly without disassembly for flow recovery
- Filter directly into most any bottle or reservoir with included Universal Bottle Adapter