Seychelle Extreme Water Filter Bottle - Removes Cryptosporidium, Giardia, Virus, Radiological - 28 oz Manufactured by Seychelle, the most trusted name in water filtration for over 20 years, the Outdoor Advanced Bottle provides protection from waterborne inorganic and organic contaminants, bacteria, and virus. Removes 99.999% of bacteria (Cryptosporidium and Giardia), 99.999% of Virus via EPA-approved iodinated resin, as well as 99.999% of Radiological material. Removes up to 90% of fluoride, as well as industrial and agricultural runoff as well, which can be present in lakes, streams, rivers, and tap water. Beware of competitors that will only remove bacteria. An absolutely essential component of an emergency prep or bug-out kit. Can be used in extreme conditions: backcountry hiking and camping, as well as no-notice emergency scenarios: nuclear event, hurricane, tornado, flood, or fire where safe drinking water will not be easily accessible to you and your family. 28 oz capacity, BPA-FREE portable water filter bottle that is specially designed to be squeezable but durable. Comes with protective neoprene sleeve and loop to attach to your belt or backpack. Filter are MADE IN USA being manufactured in an ISO 14000 facility to highest quality standards.