4 Blades Black Stove Fan with Free Gold Blades -The stove fan uses the heat of the stove to circulate the hot air around the room. This helps to improve both the efficiency of the stove and also effectively heat the room faster. -The stove fan is evironmentally friendly as it runs on heat power alone - no electricity is needed! -Operates automatically between 50 - 300�C with speed self-regulating according to the temperature in the room. -Extremely quiet operation, compact size, no installation required,easy to use. -Made from heavy duty black steel with carry handle for easy portability. -Come with free gold blades(blades only, not a complete gold stove fan) for your convenience. Specification Height : 162mm Base plate: 70mm(L) x 70mm(W) Starting temperature:50�C Working temperature: 50 - 300�C Air flow:130-160CFM Note: 1.It's highly recommended that you use a suitable high temperature thermometer to test the temperature of you stove.Temperature above 300�C can cause damage to the