Heat Powered Stove Fan Heat Powered Stove Fan Fireplace Fan with Designed Silent Operation Thermometer for Wood/Log Burner/Fireplace

1.This stove fan is powered by transforming heat into energy without using any battery or electricity. 2.The range of working temperature is about: 140°F / 60°C~662°F / 350°C higher the temperature faster it starts to spin. Attention: the temperature can not be over 662°F when using the stove fan. 3.Can circulate heat throughtout the room. 4.This stove fan is silent and quiet. CFM: 180-210 Speed: 1100rpm Blade number: 4 Noise: less than equal 25dB Start Temperature: 140°F / 60°C Working Temprature Range: 140°F / 60°C~662°F / 350°C Colour:black Material:aluminum Package Contents: 1 x Stove Fan 1 x thermometer