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If you are talking to group of backpackers, there are three subjects that will bring wide ranging opinions, politics, religion, and water purifiers and filters. Some swear by using a water filter and despise purifiers. Others are dedicated to using a water purifier and think that water filtration is an old school technology.

MSR has converted many of the water filtration enthusiasts. The MSR Miox Purifier is the product of the R&D whiz kids at MSR and the U.S. military. The product of their combined effort resulted in a water purification magic wand – alakazam your water is fit for drinking.

The Miox Purifier works by creating a potent mix of antioxidants that is added to untreated water rendering bacteria, Giardia, and Cryptosporidium useless. This is accomplished by a tiny bit of rock salt, water, and a few clicks of a button. The purifier does the heavy lifting.

The Miox Purifer is about the size of a small flashlight – 7 inches long, 1 inch wide, and 3.5 ounces. It takes up much less space than a water filtration system. The salt chamber and purifier cell clean easily. The Miox Purifier requires one CR123 battery to operate. It does not require special rock salt, so it can be replaced at a low cost.

The lightweight and compact MSR Miox Purifer is a water purifying magic wand. It is effective in purifying untreated water on your backpacking trips. It has an MSRP of $139.95 and has MSR's limited lifetime warranty.