The Cyst Filter™ attaches to the middle of your Exstream® ViruStat® microbial water purification cartridge and can be replaced repeatedly throughout the life of the ViruStat® system if needed. It removes pathogens such as protozoan cysts (Giardia and Cryptosporidium) and particulates larger than 1 micron in size. A must for extended travel in regions with questionable water quality. Removes pathogens and particulates larger than one micron. |
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