1. No electricity or battery,powered by heat. Healthy and economical! Stove fan for log burning fireplaces, gets power from the heat produced by your fireplace, wood-burning stove or pellet stove. Effectively dispersing warm air around your room. 2. The hotter the surface of the furnace, the more air the fan circulates. 3. Save your bill, more efficiency: Fully utilize the heat from your wood stove and disperse it to your room. 4. Low noise! You will enjoy the warm air in a quiet and comfortable environment. 5. Parameters: Material: Alumina Air volume: 180-250CFM Blade: 8 leaves Noise: <32dB
