MSR Guardian (Worlds Most Advanced Water Purifying System) knives Available in two sizes:

Available in two sizes:

Extra sheaths available from Silky Saws and Weaver Leather

Close focus at just 10ft for tight space observation

50 centimeters Length 20

Includes the Advanced Clotting Sponge with zeolite

MSR Guardian (Worlds Most Advanced Water Purifying System) knives Available in two sizes:*This product can only be shipped within Canada Nothing is safer or easier to use for purifying the most demanding backcountry water sources than the Guardian purifier. Originally designed for military squads, it brings this highly advanced technology to global travelers, backcountry users, and those stocking emergency kits. Fast and easy to use, this pump purifier offers the added viral protection you need when traveling in developing nations and