Features: -Innovative and durable design for larger space: Unique design makes this heat powered environmentally friendly stove fan ideal for using on log, wood burners, fireplace, pellet stove, effectively dispersing warm air around your room. -Unrivalled performance: Pushing the large stove fan at a huge rate of 1360rpm.No batteries or electricity required, working quietly, Less than 25db only in complete silence situation you will notice it, more air flow. -Safety design and Longer lifetime: A bi-metallic safety device. The fan comes with a bi-metallic safety device in the base of the fan. When the surface temperature rises above around 250 degree Celsius, it will gently lift the front of the fan to protect the TEG and motor. The fan will automatically recover normally as the surface temperature decreases. -Start automatically: Fast start work when the surface temperature under the fan reaches around 50 degrees C or 122 degrees F, working with a temperature between 50 degrees C or 122 degrees F centigrade degree to 340 degrees C or 644 degrees F centigrade degree. The hotter the fire, the faster the blades turn. Virtually Silent in operation. Specifications: -CFM: 180 to 210 -Speed: 1100rpm -Blade number: 6 -Noise: Less than or equal to 25dB -Start Temperature: 140 degrees F or 60 degrees C -Working Temprature Range: 140 degrees F or 60 degrees C to 662 degrees F or 350 degrees C -Material: Anodizing Aluminum -Colour: Black Package Inclusions: -1 × 6 Blades Heater Stove Fan Notes: -Actual colors may vary due to computer monitors displaying colors differently. -Due to the nature of the manufacturing process and manual measurement, product sizing may vary slightly.