If you are having flow issues with the Autoflow Gravity Filter, breathe new life into it with the MSR Replacement Cartridge. This cartridge has a life expectancy of up to 1,500 liters depending on water conditions, and it filters nearly two liters of water per minute.
Hollow Fiber purifying element
Compatible with AutoFlow Gravity filter
Hiking & Trekking, High Mountaineering & Expeditions, Travel