Features Non Electric Stove Fan: Wood Stove Fan Is Provided with Heat By The Wood Burning Stove, And The Heat Dissipation Fins Convert The Absorbed Heat into Energy. Safety Design: The Furnace Support Is Treated With Anodized Aluminum Oxide, Which Does Not Deform Or Change Color Even When Working At High Temperatures for A Long Time. It Has Good Rust Prevention, Wear Resistance, And Thermal Conductivity. Environmentally Friendly Self Powered: The Thermoelectric Module Serves As A Small Generator to Drive The Fan Motor. No Battery Or Power Required! The Improved Hot Air Circulation Can Bring Greater Comfort, And The Use of Stove Wood Is Reduced By 28% Longer Service Life: The Fan Base Is Equipped With A Bimetallic Safety Device. If The Surface Temperature Exceeds 300 ℃, The Safety Device Will Gently Lift The Front of The Fan to Defend The Teg And Motor. Easy to Install: Compact Size And Light Weight Make The Fan Easy to Install for Convenient Use, Ideal Replacements for The Old And Damaged Parts. Specification: Item Type: Fireplace Fan Blade Material: Aluminum alloy Blade Specification: 4 Blades Package List: 1 x Fireplace Fan Blades 1 x Hex Wrench 2 x Screw Package List 1 x Fireplace Fan Blades 1 x Hex Wrench 2 x Screw