Features: 6 blades fireplace fan accelerates air circulation and improves thermal efficiency, providing wider heat distribution. Fan widely used for wood burning stove, fireplace, ga-s stove. It can quickly raise the temperature of your room and make you feel warm in cold weather. No batterys required, the stove fan is driven by the temperature of the fireplace, and temperature will affect the speed of the fan. 80℃~250℃ working temperature, the fan spins when the temperature is reached 80℃. The hotter the base of the fan gets, the faster the fan turns, and the more air the fan circulates into the room. The base and blades of the stove fan are made of aluminum oxide, which is durable and will not rust or corrode. Only need to clean with a damp cloth. Specifications: Noise: ≤35db Material: aluminum alloy Number of blade: 6 blades Blade diameter: 180mm Motor : 800-1100rpm Maximum temperature: 350℃ The bes-t working temperature: 80℃-250℃ Package Size: 230*220*140mm Package Weight: 850g Packing List; 1*Stove Fan