Equipped with 5 Leaves, have faster speed and larger air volumes The stove fan is designed used with coal, pellet, or wood-burning stove The heat active stove fan is designed to circulate the warm air creat by a wood / coal or pellet-burning Efficiently circulates warm air throughout room This stove fan gives you a quiet atmospheres The thermoelectric module acts as a small generator to power the fan motor Not batteries or power required! warm air circulation results in greater comfort and reduces wood consumption from your stove, Manufacturer: HDOYTXXM