RoadPro 12-Volt Direct Hook Up Ceramic Heater/Fan Hook this high-quality to your vehicle battery and enjoy both heat and fan functions with a flip of a switch! Ceramic Heater/Fan Direct Hook-Up to Your Vehicle Battery 12-Volt 2-Blade Fuses (20 A) Power Rating: 25 A Wattage: 300 W Adjustable Fan Spee... See More