![]() ![]() Why the two treatment device options? The reason is, viruses are just too small for filters to catch. In contrast, a "purifier" can employ a variety of methods to do so, from physically removing the contaminants to disinfecting the water of them, through UV or chemical treatments. In these areas, such as in developing countries, a purifier is recommended.Īdditionally, filters physically remove matter and microbes from the water. In places heavily trafficked by humans or where sanitation systems are poor, the risk for viruses increases. A water purifier is designed to combat all three classes of microbes, including viruses.īecause North American backcountries are regarded as low-risk for viruses, filters typically offer a sufficient water treatment method. Generally speaking, a water filter is designed to remove waterborne protozoa and bacteria, but not viruses. The main difference lies in the level of protection they provide. ![]()
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