The Journey™ Water Purification Filter has been independently tested to remove 99.9999% of bacteria, 99.99% of viruses, and 99.99% of Giardia and Cryptosporidium cysts from freshwater sources. It provides up to 250 gallons of filtration capacity, making it suitable for everyday drinking water, travel, outdoor recreation, and emergency preparedness. Always use the filter with freshwater sources and follow the manufacturer’s operating instructions.