Item Type: Stove Fan Material: Aluminum alloy Weight: Approx. 783g/27.62oz Fan Blade: 6 blades Operating Temperature Range: 176 to 482 (80 to 250) CFM: 160-220 Rotational Speed: 1400rpm Noise: 25db 1Greater Wind: Upgraded 6 blades will provide larger air volume, diverting the warm air horizontally all around your house but not give you the hot wind directly. 2Environmentally Friendly: The stove fan provides greater comfort and uses 28% less wood. It maximizes the heat from burning wood and is more energy efficient and environmentally friendly. 3No Batteries or Electricity Required: The thermoelectric module acts as a small generator to power the fan's motor. Stove fans can generate their own electricity. 4Anodized Stand: The fan stand is made from anodized aluminum which is rust proof, wear resisting, with good thermal conductivity. Even in the high temperature for a long time it is without deformation, no color. 5Protection Function: The fan base is equipped with a bimetal safety device that gradually lifts the front of the fan to guard the TEG and motor.1 x Stove Fan 1 xInstruction