Features: 1.4-blade Stove Fan: The upgraded 4-blade provides greater air capacity making it an effective way to heat a room from a stove widely used in wood burning stoves gas stoves pellet stoves etc. 2.Electricity-free and Heat Powered: Based on the principle of converting heat into dynamic energy the stove fan is powered by the heat generated by the fireplace wood stove or pellet stove. When the stove is heated the fireplace fan runs faster. You will enjoy the warm air. Anodised aluminium material durable and lightweight. 3.Quiet Operation: It's a well-known fact that a quiet environment makes us feel comfortable. While ensuring the air speed you provide worry-free reading and working and get warm air around the room. 4.Environmentally Friendly and Fuel Efficient: No batteries or electricity required the fan generates its own energy from the heat of the stove surface. Improves warm air circulation. Rounded corners for scratch resistance and safety. 5.After-sales Service: If you have any problem please contact us immediately we will help you solve it as soon as possible. Specifications: Material: Anodised aluminium Product Size: 16*13*21cm Starting Temperature: 70C (158F) Maximum Working Temperature: 345C (653F) AirFlow: 80-170CFM (cubic feet per minute) Noise: