The DEFA 460921 Mini Plug Green Warm Up HEATER CONNECTION CABLE is a high-quality auxiliary heater connection cable made in Germany by the trusted brand DEFA. This 5-meter cable is designed for connecting external heaters, providing warm-up assistance for vehicles with engine block heaters. With its compatibility with Eberspächer and other popular heater brands, this product offers a reliable solution for efficient heating in cars and trucks. The durable construction and precise engineering make this connection cable a dependable choice for various heating needs.