This is the Survivor Filter Cleanable Water Filter Straw, a personal water filter system that cleans water down to a filtration level of 0.05 microns. Built with a triple filtration system, the Survivor Filter is perfect as an emergency kit, when hiking on a trail near a freshwater source, or when traveling overseas.
Tested at several US-based laboratories, the Survivor Filter’s three filtration stages remove 99.999% of Protozoa (Cryptosporidium, Giardia, and Parasites), 99.999% of tested Virus (Phi X-174), Staph and Bacteria, and 89% of Mercury and Lead. These filtration stages consist of a Cotton Filter Pad, an Ultra Filter, and a Carbon Filter Mouthpiece.
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The Cotton Filter Pad blocks out large particles, then the water passes through the Ultra Filter that blocks pollen, algae, Giardia, E.Coli, Protozoa, Cryptosporidium, bacteria, and toxins. Finally, the Carbon Filter Mouthpiece traps the remaining contaminants, which reduces heavy metals, chemicals and improves the water taste and odor.