MSR AutoFlow Gravity Filter System

Why pump water through a filter when you can let gravity do the job for you with the MSR AutoFlow Gravity Filter System. Lightweight and easy to pack, the AutoFlow Gravity Filter System has an advanced AutoFlow microfilter that can filter up to 1.75 liters per minute, all without a single pump from you. Hollow Fiber technology is the latest in backcountry hydration, and combines filtration, storage, and collection in a single system. The 4 liter reservoir lets you filter plenty of water at once and is great for groups, and when you're on extended expeditions, the AutoFlow Gravity Filter System is tool-free quick and easy to clean to maintain your high flow rates for the long haul.