Complete water filtration system designed for Emergency preparedness, groups in the backcountry, and mission trips Highest level of filtration on market — removes greater than 99. 99999% of all bacteria and 99. 9999% of all protozoa (also filters 100% of micro plastics) Bucket and faucet adapters provide high-volume clean, potable water from any fresh water source; easily field maintainable Filter with built-in and removable push/pull cap; comes with one 32-ounce, BPA-free collapsible pouch for personal hydration Backed by manufacturer's lifetime limited (independent testing laboratory Hydration, LLC. ; Microbiological Report S05-03); 100% of squeeze filter units individually tested three times to performance standards by sawyer