Pull water from fuel tanks before it causes damage. Maintain peak performance and prevent engine failure. H2OZorb sorbent pulls in water that collects in fuel tanks before it can cause damage. Helps preserve engine life and prevent frozen lines by removing water from fuel stores; also minimizes filter-clogging rust and algae. Ballast forces H2OZorb to bottom of tank, where unwanted water settles; highly absorbent filler pulls in water, but repels gas and diesel fuel. The tough nylon line makes deployment and retrieval easy. Choose from four sizes.