efficient cooling and ventilation with the 12V Solar Power Exhaust Fan, designed to fit round pipes and powered by a effective 12V solar panel Ideal for environmental homeowners, recreational vehicle enthusiasts, and greenhouse operators seeking sustainable solution for airflows and temperature control Reduce electricity costs and minimize your environmental impacts with this solar power solution, offering powerful winds circulations and easy installation for your ventilation needs Perfect for use in attics, greenhouses, recreational vehicles, and boats, this versatile exhaust fan provide ample ventilation to maintain comfortable and spaces Crafted from sturdy materials, this fan is built to withstand various weather conditions, ensuring long lasting in any environment, Manufacturer: Xjdzineq