1、Main Function: This 4 blades fan is mainly used to circulate warm air generated by wood, coal, or particle combustion furnaces, which is efficient and practical. 2、High Efficiency: 180mm diameter fireplace fan blade, which have faster speed and larger air volume, help to create a quiet, warm, and comfortable living space. 3、Aluminum Alloy: The fireplace fan blade is made of excellent aluminum alloy, with good corrosion resistance, oxidation resistance, no deformation, and no fading. 4、Work Temperature: The optimal working temperature is 60‑370℃ (140‑680℉), which can be monitored with a thermometer (not included) to avoid high temperature damage. 5、Convenient Use: The fan blade can gently transfer heat to the room, helping to increase room temperature, with a hex wrench and 2 screws, easy to install and use. Item Type: Fireplace Fan Blade Material: Aluminum Alloy Blade Type: 4 Blades Diameter: Approx. 180mm / 7in (error 2%) 1 x Fireplace Fan Blade 1 x Hex Wrench 2 x Screws