The Miniworks EX is a hand operated filter, meaning you. Cost: The MSR Miniworks EX retails for 90.00. Filtering Speed: The MSR Miniworks EX filters one liter per minute. The pore size of the filter element is 0.2 microns. Filtering Element: The MSR Miniworks EX uses a field cleanable ceramic filter element with a carbon core. Multi-cellular parasites – Large and can be easily filtered, can also be treated by boiling. Specifications: Weight: The MSR Miniworks EX comes in at 14.6 oz. They can be difficult to filter because they are Small, they are sensitive to chemical, UV and heat treatments. Viruses – these are spread through water but only reproduce in a host. Medium sized, they can usually be removed by filters though not all will have this capability. Giardia, Cryptosporidium.īacteria – single cell organisms that can reproduce in water. They can also be treated with UV Light and heat. They are highly resistant to chemical treatments but are easily filtered because they are relatively large. Protozoa – single cell organisms often transferred through human and animal faeces. There are four types of water-borne pathogens that are of concern: Drinking water directly from streams and rivers can be hazardous because such sources could contain Pathogens a Pathogen is a disease causing organism commonly referred to as a germ.
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