Treading the middle ground between MSR’s lightest and most durable filters, this system makes water treatment easy. Simple, lightweight, and versatile, it’s the perfect water treatment option for light to moderate use, with the capacity to easily step up to the demands of the occasional big trip. It pumps easily with a 4:1 mechanical advantage, producing 1.25L per minute and can easily be cleaned in the field without tools to restore flow rates. Learn More
Anatomically-shaped, integral framesheet eliminates barreling and bunching up and conforms to your back for a more stable and comfortable fit.
Features include180-degree on/off pivot bite valve with magnet, rigid handle for easy insertion and removal in pack, and easy-to-clean wide-mouth cap. Hydration capacity: 100 oz. (3L). Learn More
The reviews keep coming and one thing is clear, the GravityWorks™ system is changing how people filter water. Delivering four liters of filtered water in just 2.5 minutes with no pumping, there’s simply no easier or faster way to get safe water away from home. Learn More