Multi Blade Fireplace Heat Powered Stove Fan - Log Wood Burner. Features: Just Place the Fan on the Stove. It is Best to Place the Device Near the Back or Center of the Oven. The Device Distributes Warm Air Throughout the Room. We Recommend That You Place the Oven Fan at Least 5 Cm from the Stovepipe. The Fan is Driven by the Heat of the Oven. 50 C (122 F) - 340 C (644 F) is the Operating Temperature of the Fan. When the Temperature Reaches 50 C (122 F), the Blade Will Rotate. The Hotter the Bottom of the Fan, the Faster the Blades Rotate and the More Air the Fan Flows into the Room. When the Oven Cools, It Slows Down and Stops. The Fan is Made of Anodized Aluminum That Will Not Rust or Corrode. Can Be Used on Any Plane of Pellet Furnace, Wood Stove, Burner, Wood Burning Stove, Wood Burning Stove, Stove, Mini Fireplace or Griddle. Environmental Protection, Can Be Used As a Small Generator to Power the Fan Motor. Quiet Operation, Distributing Heat in the Room and Increasing Room Temperature Without Notice. With Handles for Easy Carrying. Improved Hot Air Circulation for More Comfort and Reduced Wood Consumption in the Stove. It is Made of Anodized Aluminum and Resists High Temperatures, Deformation and Discoloration Even when Working at High Temperatures for a Long Time.