Seychelle EXTREME Water Bottle filters Contaminants, Radiation, Viruses and Bacteria including EboRemoves up to 99.9999% of most known bacteria and viruses. Removes up to 99.99% of select radiosotopes (radiation). Removes up to 99.99% of toxic chemicals, contaminants, and pollutants found in fresh water supplies. Produces up to 100 gallons of filtered water or more depending upon the quality of the source water. Holds 28 oz. of water and is BPA-free. Includes custom 'Nukepills.com' carabiner to easily clip to bag (see image above)