Frontier Emergency Water Filter System The ideal “just in case” filter straw for emergency use when traveling, hiking and fishing. Ideal as a backup filter for multi-day backpacking trips. The Frontier Filter can be used to drink from any bottle or cup, or directly from water sources. Removes contaminates down to 2 Microns in size including wide spread pathogens such as giardia, cryptosporidium and large bacteria. Frontier’s ultra lightweight and compact package size fits in the smallest day pack, waist pack or pocket. Filters up to 20 gallons of water! The Frontier Emergency Water Filter System is ideal for hiking, travel, and emergency preparedness. It is the perfect addition to your 72 hour emergency kit. One unit will filter up to 20 gallons (75L) of water. Tests indicate that the Frontier Filter will remove 99.9% of Cryptosporidium and Giardia. The Frontier Emergency Water Filter System is also easy to operate, just attach and expand the straw, submerge the filter end into the water source, and drink through the straw. Ultra light and compact, the Aquamira Frontier Emergency Filter System weighs less than one ounce and easily slips into a day pack, shirt pocket or travel luggage and is always ready when you need it. The Frontier Filter is the ideal alternative to heavy, bulky and expensive pump filtration units when space and weight are primary factors. Activated carbon helps reduce waterborne chemicals and improves water taste. Use the Frontier Emergency Water Filter System to drink from any bottle, cup or directly from water sources. To remove viruses or bacteria smaller than 3 Microns in conjunction with Aquamira Water Treatment Drops or Aqumira Water Purifier Tablets before filtering.* *Sold separately