Features 1、Non Electric: This stove fan requires no battery, which can save 16 percents of costs and reduce emissions due to fuel loss. 2、Low Noise: The blades of this fan are well made, the spiral operation is quiet, and there is no big blower noise like other fans. 3、Self Starting: When the surface temperature of the furnace body reaches about 122℉, this fireplace fan will start automatically. It does not need to be assembled and can be used directly. 4、Practical and Durable: When the furnace temperature is low, the air flow is larger, the speed is higher and it is made of aluminium alloy that is durable. 5、Applicable: The eco fan is suitable for those who are off the grid or want to improve furnace efficiency and use less fuel, and suitable for wood, wood, gas, pellet furnaces. Specifications Item Type: Fireplace Fan Material: Aluminium alloy Gross Weight: 720g/25.4oz Specification: Butterfly style Color: Black Fan Blade: 6 Operating Temperature: 80 ℃ - 350 ℃ Air Volume: 180-220CFM Wind Speed: 1400rpm Noise: 25db Size: 105x75x190mm/4.13x2.95x74.8in Diameter: 165mm/6.5in Package List 1 x Fireplace Fan 1 x English Manual