Platypus GravityWorks Water Filter System

The reviews keep coming and one thing is clear, the GravityWorks system is changing how people filter water. Delivering four liters of filtered water is just 2-1/2 minutes with no pumping, there's simply no easier or faster way to get safe water away from home. Ideal for bigger groups, the system's eight-liter capacity eliminates both the worry and hassle of keeping plenty of water around for anything you need.

GravityWorks Water Filter System Features:
• Fast! Filters four liters in 2-1/2 minutes
• Weighs just 10.75 oz.
• 8-liter capacity lets you easily transport and store water for groups
• Back-flushes in four seconds, maintaining optimal performance with no additional parts or tools required
• Proprietary Platy zip opening collects water easily - even in challenging situations
• Clean storage reservoir with shutoff clamp makes dispensing water a breeze
• Effective: Meets all EPA & NSF guidelines for the removal of Bacteria and Protozoa, including Giardia, Cryptosporidium, E. coli, Salmonella, and Cholera