Gold Eagle HEET Gas-Line Antifreeze and Water remover prevents gas line freeze up and removes water from the fuel system year round. It is safe for all four cycle engines including fuel injected engines. This product helps prevent rust and corrosion by getting the water out of fuel. It can be used with every fill up in below freezing temperatures or whenever you want to absorb water from gasoline. This anti freeze and water remover comes in an easy pour 12 ounce bottle.