AAOBOSI Aobosi Stove Fan Heat Powered Fireplace Fan for Wood/Log Burner/Fireplace Save 20% Fuel Cost, Lower Starting Temperature (50)-4 Blades Black Heat-driven stove fan, No batteries or main power required.The wood stove fan creates its power by utilizing the heat from your wood-burning stove, fireplace or pellet stove. Circulate warm airflow to the rest of your room efficiently! Fast start with lower temperature.The heat powered stove fan can automatically start when the surface temperature reaches 50C(122F), MORE LOWER than others. The higher temperature is , the faster the blades spin, and the more warm air is moved. Silent operation,higher efficiency The unique design of the blades makes the stove fan work quieter than others, higher efficiency. Enjoy warm air in a comfortable environment. No need to install,hassle-free. A must have for heat circulation and distribution for your room via your stove. Save energy and cut fuel bill Make full use of the heat from your stove and move it to your room. Use less wood BUT enjoy optimum warmth.It also reduces the impact of burning solid fuel on the environment. Eco-friendly wood stove fan. Safety design & WarrantyA bi-metallic safety device on the base can protect the pellet stove fan from high temperature. The powerful ecofan will lower to normal as the surface temperature reduces.1-year Quality Warranty.