These Filters work awesome and are designed to be used with Nalgene bottles. Used in Good shape.
Msr Miniworks Ex Microfilter
MSR MiniWorks EX Ceramic Water Filter Purifier for Camping & Backpacking
MSR MiniWorks EX Water Filter Purifier Backpacking
MSR MiniWorks EX Water Filter Pump System Complete w/ Hose And Bag
MSR MiniWorks EX Ceramic Water Filter Purifier Pump Backpacking Hiking Camping
MSR MiniWorks EX Water Filter Purifier System, Backpacking, Hiking, Camping
