Move warm air throughout your living space with the Caframo Ecofan AirMax Heat-Powered Wood-Stove Fan. For use on free-standing wood stoves with a surface temperature between 185F and 650F.Creates its own electricity and pushes up to 175 cu. ft. of air per minute, increasing the efficiency of your stove so you can heat your space with less fuel. As the stove gets hotter the fan runs faster, moving more warm air. When the stove cools down, the fan slows down and automatically shuts off when the stoves surface temperature dips below 185F. Whisper quiet and completely assembled. Manufacturers two-year warranty. 3.3L x 5.5W x 10H Wt: 3.8 lbs. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Fans.