Product Description: ★Roof Fan, Hardness, Heat and Low Temperature Resistance, Anti-corrosion, Anti-rust, Durable, Sturdy and Reliable. ★Change Indoor Air, Purify Indoor Air, Very Suitable for Wind Conditions, and Can Be Used for All Types of Ventilation Slots. ★Using the Air and Thermal Convection Caused by Natural Wind and the Difference Between the Internal and External Temperature to Drive the Turbine to Rotate. ★in Order to Use Centrifugal Force and Vacuum to Exhaust the Old Internal Air. ★Use Scenarios: Industrial Plants, Farms, Living Room Fireplaces, Etc. Features Material: Stainless Steel Size (Diameter): 160mm Packing Size: 32*32*30cm Weight: 1kg The Package Includes: 1x Roof Fan.
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