NduR 46-Ounce Survival Canteen with Advanced Filter Made from BPA-free plastic Filter Life: up to 100 Gallons or more, depending upon the quality of the source water Ideal for those traveling abroad Removes up to 99.99% of: Virus, Bacteria and E-Coli Removes up to 99.99% of: Chromium 6, Chlorine, Lead, Mercury, Cadmium, Aluminum and Copper