The lifesaver 4000 ultra filtration water bottle eliminates all microbiological waterborne pathogens from water without chemicals * Bottle uses replaceable filters, which can treat up to 4,000 liters of water * The bottle treats 750 milliliters of water in just under a minute * Drink filtered water directly from the bottle or filter and store water in other containers * Two-year limited warranty * Activated carbon filter treats 750 ml of water in just under 1 minute * Chemical-free process eliminates all microbiological waterborne pathogens * Each replaceable filter treats up to 4,000 liters of water * Ultra-filtration water bottle for traveling, hiking, or emergency use * Watertight, snap-fit lid; weighs 22 ounces; 2-year warranty