upgrade level of the chimney fan to 4 blades - the stove fan 4 blades powered by heat will provide a larger and wider air volume, the fan rotation speeds change automatically with the oven temperature, which is convenient and practical. wood - using the stove fan Wood will improve the circulation of hot air, resulting in greater comfort and a reduction in the fuel consumption of your stove. who will help you create warm air and a Christmas atmosphere. Energy saving - silent operation of the stove fan 4 blades with pan thermometer. no need for batteries or electricity, the stove fan generates its own energy thanks to its own function. heat from the stove surface and can effectively circulate hot air throughout the room. safe practice for use, widely used for stoves ; wood, wood cookers gas, gas stoves pellets and more. Manufactured fireplace fan in anodized aluminum High temperature resistant, the stove fan is designed for use on freestanding stoves with a normal surface temperature between 70 and 345 (158-653) .