Stainless Steel Roof Ventilation Fan - Unpowered Hood

Stainless Steel Roof Ventilation Fan - Unpowered Hood. Natural Wind Power Operation: Operates 24/7 using natural wind and temperature differences without electricity. Stainless Steel Construction: Made of 304 stainless steel for superior corrosion, acid, and alkali resistance. Noise-Free Performance: Closed bearing design ensures silent operation for improved indoor environments. Customizable Color Options: Available in Silver, Blue, or fully customized color schemes. High Sensitivity Drive: Slight wind or temperature changes effectively drive the turbine blades. Low Maintenance Design: Senior axis bearings require no lubrication and have a low fault rate. Versatile Applications: Ideal for warehouses, factories, garages, and areas requiring air purification. OEM and ODM Services: Flexible customization options available for specific client requirements.