Main Features: -Self-Powered: The Heat powered stove fan is designed to circulate the warm air created by a wood/coal or pellet burning stove operating with normal surface temperatures between 55℃ and 350℃.  -Eco-Friendly: Thermoelectric module acts as a small generator to power the fan's motor. No batteries or electricity required Improved warm air circulation results in greater comfort and reduce wood consumption from your stove.  -Install Ways: Clamp on the pipe with metal ring, which does not occupy space and is beautiful and convenient.Easy to place, the blade rotates softly, no noise, and gives you a clean and refreshing enjoyment.  -Safety Design: The furnace support is anodized aluminum, which is resistant to high temperature and does not deform or work without being deformed even under high temperature for a long time.  -Longer Life: The fan base is equipped with a bimetallic safety device. If the surface temperature exceeds 300℃, the safety device will gently lift the front of the fan to protect the TEG and the motor.    Specification Blade Qunatity: 6;  Airflow: 180-220 CFM;  Speed: 1500rpm;  Start Temperature: 55°C;  Working Temperature Range: 131°F/55°C~662°F/350°C;  Material: Aluminum;  Color: Black/Grey/Gold/Silver/Bronze/Rose Red/Dark Blue/Red;  Dimension Package Weight: 0.7kg;   Product Size: 13.00 x 18.00 cm;    Package Contents 1 x Stove Fan,  1 x Ring,  1 x Manual