Derale's most efficient remote cooler yet, the Hyper-Cool Extreme is designed to outperform the competition in every aspect of its unique design. The combination of Derale's largest and most efficient stacked plate cooler equipped with an 800 CFM waterproof/dustproof electric fan makes this remote cooler the absolute best on the market. Perfect for all applications. Excelling when used in extreme duty, high performance or off road applications. Its -6AN fittings allows for simple and clean connection to yDerale's transmission, power steering, or fuel lines.