4 Blade No batteries or electricity required Anodized aluminum alloy
No batteries or electricity required, The stove fan creates its own electricity from the heat produced by your stove. Different from other wood stove fan using steel material, we use the more expensive Anodized aluminum alloy, not rust, longer life. Silent operation, don’t worry about disturbing others. The strip of metal in the base of the fan is a Bi-metallic strip designed to raise the edge of the heat powered wood stove fan slightly as the maximum operating temperature is approached.