Today we're going to take a look at the Kats heater 12 volt two speed defrost fan. Now you can use this heavy duty fan to get better circulation in your car, or your truck, or your RV, or even on your boat. It will provide air circulation in the cab of the truck, the car, or the RV. Has a nice Chrome guard around the fan blades to protect them from any damage and also protect from any injuries.… see more >