Sawyer Products PointOne Squeeze Water Filter System Easily portable 0.1 absolute micron hollow fiber membrane inline water filter - removes greater than 99.99999% of all bacteria and 99.9999% of all protozoa Choose between Personal System (with one to three water pouches) or All-In-One System with field maintainable bucket and faucet adapters Filter with built-in and removable push/pull cap; spray water straight into mouth or bottle from included pouch(es) All-In-One System adapters provide high-volume potable water from any fresh water source; up to 540 gallons of clean water per day Backed by manufacturer's lifetime limited warranty (Independent Testing Laboratory Hydreion, LLC.; Microbiological Report S05-03)