Description: No Electricity Required: The Stoves fan uses heat from the Stoves surface to , adjusts its speed automatically with the Stoves surface temperature. Heating Fans Features: Large , increase Stoves efficiency with Burner fewer fuels, silent operation. Less consumption, more efficiency, decrease fuel consumption and make the room warmer quickly. Quiet Stoves Fan: Say goodbye to the terrible noise. Usage on freestanding stoves with a normal surface temperature of between 65-350 degree centigrade (149-662 Fahrenheit Degree ) Fireplace Fans Material: Made of high strength alumina which makes the Stoves fan no burr, fined, and neat surface. No deformation and no discoloration even after long time working under high temperature. Saving and Environmental Protection: The heat powered Stoves fan is designed to circulate warm air created by a wood/ pellet burning. FULLY utilize the heat from your wood Stoves and disperse it to your room, and make the room warmer quickly. Specification: Material: Alumina Size: 14cmx10cmx19.5cm/5.51inchx3.94inchx7.68inch Package Includes: 1 Heat Powered Stoves Fan Note: Please allow slightly errors due to manual measurement and different monitors.