621164-Blade Heat Powered Stove Fan for Wood / Log Burner/Fireplace - Eco1.This stove fan is powered by transforming heat into energy, without using any battery or electricity.2.The range of working temperature is about:140°F / 60°C~662°F / 350°C, higher the temperature, faster it starts to spin. Attention: the temperature can not be over 662°F when using the stove fan.3.Can circulate heat throughtout the room.4.This stove fan is silent and quiet.Powered by heat, battery free, 16% cost saving and reduced emissions from buring less fuel.4 Blades design, increases comfort more quickly. Greater airflow & velocity at lower stove temperatures Well crafted blades turly silent operation no loud blower noise like other fans createdStart automatically when the temperature of the stove surface reaches around 122FNo assembly required ready to use out of the boxIdeal for those living off the grid or looking to increase the efficiency of their stove and use less fuelWhisper quiet and completely assembled makes a great housewarming gift Heat Powered Stove Fan No electricity needed no external power source needed, less consumption, eco friendly stove fan.Save Energy: Efficiently drive warm air throughout the room. Less consumption, more efficiency.Ultra Quite Operation: Spcecially crafted 4 aluminum blades, passed centrifuge test, well balanced, safely glows with a speed up to 170190CFM.Works on Log, Wood, Gas or Pellet Stoves. Warm up your room with this energy-saving stove fan. Genius Heat Circulation System: Powered by thermal transformation. Starts automatically from 122F, Max. working temp: 644F. Material: AluminumOverall Size: 7.5" x 6.7"(Height*Width)Blade Width: 3"Base Size: 4.7" x 2.4"(L*W)Working Temprature Range: 140F-662F(60-350)Net Weight: 0.8kgAirflow: 170-190CFMNoise: <;25dBBlade Balance Test: PassedFi
