General description This 8-blade heat-powered stove fan is designed to enhance heat distribution from your wood stove, log burner, or fireplace. By efficiently dispersing heat, it helps to quickly increase the temperature in your room while operating quietly and without the need for batteries or electricity. Technical specifications Type: 8 Blades Double Head Wood Stove Fan Color: Black Power: Heat Powered Material: Aluminum Operating temperature: 50℃-335℃ Air flow: approximately 220 CFM Noise: 15-20 dB Recommended distance: 10-20 cm Package size: 150*80*80 mm Package weight: 870 g Installation No installation required; simply place the fan on a flat, smooth surface on top of your stove, near the side or back of the stove pipe. The hotter the stove surface, the more the fan circulates heat. Usage Ideal for all wood stoves, log burners, and fireplaces. Operates quietly, allowing you to enjoy warmth without disturbance. Automatically starts and adjusts speed based on the furnace