Features:1、8-blades, larger air capacity, stove fan circulation, create additional 50% of heat, compare to the 4 blade fans, making it the most effective way to heat the entire room, just put it on the stove top and the fan can work.2、This heat-driven wood stove fan is driven by the heat of the fireplace or charcoal grill without electricity, and it can distribute heat more efficiently at home and save fuel.3、 The stove fan automatically rotates 50℃-350℃ (122℉-662℉). The hotter the stove is, the faster the fan rotates, and the home will get more warmer air.4、Ultra-quiet and improve the heating efficiency of your stove or fireplace.5、Just place the stove fan on the smooth surface of the stove top, or the free clamp can fix the fan on the column, and the double-head heat circulation can save energy.Specifications:Starting temperature: 50℃Working temperature range: 50℃-335℃ (122℉-662℉)Material: Anodized aluminumType: 8 bladesSize: about 225x125x110mmNet weight: about 825gNoise: ≤25dBCFM: 150-180Packing list:1 x Twin Motor Stove FanNote⚠:1. Only the above list is included. The other products in the picture only show how they are used.2. Please allow /- 1-3cm errors due to manual measurement and make sure you don't mind before ordering.3. Please understand that colors may have chromatic aberration due to the different placement of images.