Solar Ventilation : This solar power exhaust fan operates entirely on solar energy, providing ventilation for small spaces up to 5 8 square meters like sheds, kitchens, and bathrooms. High Airflows Efficiency : With a powerful 430 CFM airflows and 2500RPM speed, it ensures effective air circulations in enclosed areas such as pet houses and mobile toilets. Metal Construction : The sturdy metal housing and 110mm duct diameter long lastings , suitable for wall or roof installation in various settings. Compact & Low Noise Design : Measuring 330x345x78mm with a quiet 43dB operations, this fan fits discreetly while maintaining peaceful surrounding in caravans or greenhouses. Easy Installation : Features a standard 110mm pipe connection with 115mm opening size, making it simple to mount in campers, boats, or storage rooms without electrical wiring.