This resource conservation firepit fan improves heat efficiency, reduces coal consumption, and procedures 140100195mm with a permanent black aluminum alloy construction Knowledge extreme quiet action with noise intensity below 35dB, equivalent to a library environment, ensuring undisturbed sleep and undisturbed rest Highlighting eight drill aluminum alloy plan with aerodynamic structure, this firepit fan delivers eight hundred 1100rpm speed and 180 210CFM ventilation to improve warmth distribution Sugar plant temperature flexible structure automatically adjusts fan speed based on stove heat, increasing rotation as temperature ascends and delaying down when refrigerating Eight drill heat powered firepit fan effectively converts stove heat into ventilation lacking electricity, automatically activating at 60°C and safely operating up to 350°C for best warmth distribution, Manufacturer: ZYKEJJDDAK