The AutoFlow™ Gravity Microfilter represents the latest evolution of backcountry hydration, combining water filtration, storage and collection into a single, lightweight and pump-free system. With the latest Hollow Fiber technology and the power of gravity, the AutoFlow microfilter is fast as well—up to 1.75 liters per minute without a single pump stoke. 4-liter reservoirs allow you to filter large quantities at once making it perfect for groups, while quick and easy tool-free cleanings maintain high flow rates on extended expeditions.

Package includes:

• AutoFlow™ gravity micro-filter.
• 4 Liter collection reservoir with see-thru window & easy hang strap.
• Universal bottle adapter to help avoid cross- contamination.
• Inlet & outlet hose with quick-disconnect fitting & shut-off clamp.
• Stuff sack & instructions.

• Fast Flow: Filters more than 1.75 liters per minute without pumping.
• Field Maintainable: Can be cleaned repeatedly without disassembly.
• Water Bottle Compatible: Threaded fittings interface with MSR or Nalgene® bottles.
• Lightweight: Weighs under 1lb.

• Effective against: protozoa, bacteria, particulate.
• Weight: 13.8oz.
• Size:  4" x 6"
• Hollow fiber membrane technology filter.
• 0.2 microns filter pore size.
• 1.75 liter per minute.
• Cartridge life approx. 1500 liters.
• Field cleanable & maintainable.