The durable film reservoir rolls tight to reduce bulk for discreet packing, and the Food-Grade lining ensures better tasting water. Available in two sizes: 2-liter and 4-liter. The 2-liter system is perfect for backpacking pairs, or choose the 4-liter system for groups and base camps. MSR products are covered by a three year limited warranty against manufacturing defects in materials and worksmanship. Made in the USA.
MSR AutoFlow Gravity Water Filter for Camping and Backpacking, 4-Liter