Material: metal Size: shown on picture Color: Bronze, Black Specification: 1. 4-BLADE, LARGE AIR VOLUME- Upgrade 4 blades, diffuse warm air throughout the whole room. Just place the stove fan on a smooth flat surface of your stove top ,near the side or back of the stovepipe. Need to place stove fan at least 4" away from stovepipe. It will work when the stove surface hot. 2. ECO FRIENDLY- The stove fan is powered by heat from your fireplace or wood burning stove, no batteries or electricity required. The hotter the stove is, the faster the stove fan spins. wood stove fireplace fan. the stove fan is widely used for gas , electric, pellet stove or wood burning stove, stove fans will work well and disperse hot air efficiently. wood stove fireplace fan. 3. SILENT OPERATION- The only moving part of the stove fan is the blades assembly, so the working noise is below 25DB, very quiet. You even do not know the stove fan is there, but you will feel the warmth well. wood stove fireplace fan . 4. OPERATING TEMPERATURE- The general working temperature of the stove fan is 50C-350C(122F-644F). Usually the fan gets spinning at about 55C, and turns most efficiently when the temperature reaches about 250 C-300C. wood stove fireplace fan. 5. OVERHEATING PROTECTION-The In-built Bi-metallic strip at the base of the stove fan is designed to raise the edge of the fan slightly as the maximum operating temperature is approached to protect the motor and the thermoelectric module. wood stove fireplace fan. includes: 1 xHeat Powered Stove Fan