4-Blade Heat Powered Stoves Fan Fireplace Log Wood Burning Home Efficient H4M3

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This furnace fan is powered by transforming heat into energy, without using any battery or electricity, energy conservation and environment protections. Easy to use, just put it on the burning furnace, it will automatically absorb thermal energy and drive fan produce wind. Thus it can circulate heat throughtout theroom, increase air circulate speed and promote […]