CRSURE Wood Stove Fan, 8 Blades Double Motors Fireplace Fan, Dual Fan for Heater, Heat Powered Stove Top Fans for Gas/Pellet/Wood/Log Burner Stove, Non Electric (8 Blades Double Motors). 8 Blades Double Motors. MORE EFFECTIVE-This heat powered stove fan with 8 blades circulates 50% more warm air than standard 4-blade…