The MSR Guardian is a water purifier that showcases some next-level workings. After all, this outdoor water purification device was designed specifically for use by the US military, and took six years to research, design and perfect.
Most water filtration systems tend to only be able to eliminate bacteria and microscopic, diarrhea-causing Cryptosporidium parasites, whilst viruses get away. Meanwhile water purification systems can get rid of viruses but take a long time to do so. Therefore what makes the MSR Guardian stand out is the fact that it functions as both a water filter and a purifier, and is well capable of getting rid of every biological threat found in even the dirtiest of water.
When you're using a water purifier, you want to know that you can trust its contents, and the MSR Guardian certainly lets you do that.
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