Features: Experience efficient cooling and ventilation with the 12V Solar Powered Exhaust Fan, designed to fit round pipes and powered by a reliable 12V solar panel. Crafted from sturdy plastic material, this fan is built to withstand various weather conditions, ensuring long lasting performances in any environment. Ideal for environmental homeowners, recreational vehicle enthusiasts, and greenhouse operators seeking sustainable solution for airflows and temperature control. Perfect for use in attics, greenhouses, recreational vehicles, and boats, this versatile exhaust fan provide ample ventilation to maintain comfortable and healthy spaces. Reduce electricity costs and minimize your environmental impact with this solar powered solution, offering powerful wind circulation and easy installation for your ventilation needs. Specifications: Component:Plastic Size:Approx.12x12x9.5cm/4.72x4.72x3.74inches Round Pipe Diameter:Approx.11.8cm/4.65inches Rotating Speed: 3000RPM Package Includes: 1Set 12cm Exhaust Fan note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!