Item Type: Heat Powered Stove Fan Specification: Crown (LT380) Material: Aluminum alloy Gross Weight: 672g / 23.7oz Fan Blades Diameter: 152mm / 5.98in Color: Black Fan Blade: 6 blades Operating Temperature: 80 - 350 Air Volume: 180-220CFM Wind Speed: 1400rpm Noise: 25db1Heat Powered: No batteries required, the fireplace fan is powered by the heat produced by wood burning. 16% cost savings and reduced emissions due to fuel loss. 2Quiet 6 Blades: The heat powered stove fan is in 6 blades design, all blades are well made, the spiral operation is quiet, and there is no big blower noise like other fans. 3High Efficient Heat Distribution: When the furnace temperature is low, the airflow is large and the operating speed of the fireplace fan is high, bring you comfort faster. 4Automatic Working: When the surface temperature of the furnace body reaches about 122H, it will start automatically. It does not need to be assembled and can be used directly. 5Applications: This stove fan is suitable for people who do not want to use electric are and wish to improve furnace efficiency and use less fuel, and it is applicable to wood, gas and pellet furnaces. 1 x Fireplace Fan 1 x English Manual