*Efficient Cooling: This 12V solar exhaust fan delivers powerful ventilation, optimal airflow to keep your environment cool and comfortable, making it for IDEAL for hot weather conditions. *Quick and Easy Installation: Specifically designed for round ducts, this solar exhaust fan simplifies the installation process, allowing you to enhance your ventilation system with minimal effort and time. *-Saving Solution: The integrated 10W solar panel harnesses sunlight to provide a sustainable power source, significantly lowering electricity expenses and reducing your carbon footprint. *Construction: Crafted from robust ABS material, this fan is built to endure harsh weather conditions, long-lasting performance and reliability in various environments. *Versatile Applications: Perfect for a range of settings including attics, greenhouses, RVs, and boats, this solar exhaust fan effectively enhances air circulation in multiple spaces, catering to diverse ventilation needs., Weight: 310.0 pounds, Manufacturer: IJSDNVJNDX