Less than 5 pounds in your ruck produces up to 8.5 gallons in the field.

Used by Marine, Air Force, Army and Special Operations personnel, HTI's X-Pack sets a new standard in water filtration. Simply fill the X-Pack bag from almost any contaminated stream, ditch or puddle, then toss it into your ruck. This revolutionary system filters on the go, delivering 54 fl.oz. (1.6 L) of pure drink. With X-Pack in your gear, you'll never surrender to thirst.