【NON ELECTRIC STOVE FAN】: Wood stove fan heat powered by wood burning stove, thermal fins convert the absorbed thermal energy into kinetic energy, and when the temperature reaches 212°F, woodstove fans kicks in, diverting the warm air horizontally all around your house. CFM: 160-220.
【EFFICIENT HEAT DISTRIBUTION】: This heat powered stove fan with 12 blades circulates 50% more warm air than standard 4-blade fan. Double Motors.