- Choose the right size based on the outer diameter of your pipe. Our rotor ball functions effectively even with minimal wind, ensuring reliable performance on your roof. It is designed for ventilation pipes, chimneys, and exhaust systems. - Constructed from durable stainless steel, this product is lightweight and weather-resistant. Installation on the exhaust pipe is quick and easy. Made with stainless steel 201, it features a thickness of 0.4 mm and 0.5 mm, ensuring strength and longevity. Equipped with a robust ball bearing for smooth operation. - The included ball bearing operates silently while the rotor spins. The design allows the hat to rotate with wind pressure, increasing ventilation efficiency. The stronger the wind, the more frequently the blades turn, enhancing airflow from inside to outside. - Prevent backdrafts and improve exhaust efficiency, facilitating better combustion. This product also protects your chimney from external elements like rain and snow. It effectively blocks strong winds from entering pipes, chimneys, and stoves, helping to avoid negative effects from smoke chambers. - Use this rotor for residential chimneys to enhance ventilation in your home. Install it on exhaust pipes in commercial kitchens to improve air quality. Implement it in industrial settings to manage exhaust effectively and protect equipment from harsh weather.