Feature:1. Aluminum Alloy Material: The fireplace fan blade is made of high quality aluminum alloy material, durable, rustproof, wear resistant, good thermal conductivity.2. 5 Leaf Design: The 5 leaf design will provide greater air volume, promote indoor heat distribution, maintain indoor warmth, and bring greater comfort.3. Wide Range Of Uses: Good compatibility, safe to use, high efficiency, widely used in fireplaces, wood burning stove, gas stove, pellet stove, etc.4. Stable And Efficient: No battery or power supply is required, and the thermoelectric module is used as a small generator to supply power to the fan motor.5. Easy To Install: Directly replace the old or broken blades in the fireplace fan to maximize the service life, strengthen warm air circulation, reduce consumption of wood.How to Use:It is powered by heat and does not require any batteries.Specification:Item Type: Fan BladeMaterial: Aluminum AlloyColor: BlackWeight: Approx. 73g / 2.6ozProduct Size: Approx. 18x18cm / 7.1x7.1inFan Blade Radius: Approx. 9cm / 3.5inScope of Application: Wood burning stove, gas stove, pellet stove, etc. Package List:1 x Fan Blade1 x Hex Wrench2 x ScrewNote:1. Please allow 0‑1 inch error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.