Features: The Heat Powered 4 Blade Stove Fan efficiently circulates warmth using stove top heat (auto starts at 60°C), not requiring electricity while delivering 180-210CFM airflows for even room heating. Features 360 manual rotation for directional control, aerospace grade aluminum alloy blade, and quiet operations below 35dB for warmth distribution. Designed for wood stove owners, cabin enthusiasts, and households seeking energy efficient heat circulations solution. Optimizes fireplaces efficiency in living rooms, bedrooms, or spaces by redistributing heat from 60 350°C stove surfaces without electrical dependency. Combines oxidation resistant construction with aerodynamic blade engineering to maintain stable 800-1100RPM performances throughout winter heating season. Specifications: Component: Alumina Size:Approx.170mm/6.69''x92mm/3.62''x225mm/8.86'' Package Includes: 1Piece Stove Fan note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.