FloTool, by Hopkins Manufacturing, offers the most comprehensive and highest quality offering of fluid handling products. FloTool's success has been driven through innovative, no-mess product solutions that turn basic funnel and spouts into higher value products. Whether you're changing your oil, topping off the antifreeze, or checking all your automotive fluid levels, FloTool has the right application. No brand offers more "just-right" fluid handling products than FloTool. The Cap less Gas Tank Funnel is the perfect size for adding to your gas tank.