No one likes dealing with a car that won't start. Especially when it's freezing cold outside. If you're dealing with water in your fuel line, HEET Gas-Line Antifreeze and Water Remover is here to help. This product is the No. 1 selling brand of gas-line antifreeze and water remover for a reason. It's safe for use in all 4-cycle engines, including fuel injected engines, and prevents gas-line freeze up. Plus, it protects against rust and corrosion. So how does it work? The main ingredient in HEET is isopropyl alcohol, which absorbs water. When used as directed, HEET will remove moisture from gasoline and help keep your fuel system clean and dry. There are a few different ways to use HEET. You can add it to your gas tank before you fill up, or you can use it to flush out your fuel system. If you're dealing with freezing temperatures, HEET can also be used to prevent gas-line freeze ups. Whether you're dealing with water in your fuel line or just want to be prepared for the cold winter months, HEET Gas-Line Antifreeze and Water Remover is a handy product to have on hand.