Roof Turbo Ventilator While working with various chemicals, factories typically emit a variety of hazardous vapors that can be damaging to both the environment and employees. Roof Turbo Ventilator are spherical, rotating devices that can be seen on the roofs of many industrial buildings today. These devices require no extra power to function because they can be powered by environmental air. A turbo ventilator is essential equipment that is specifically designed for an engine. Website: https://devashish.net/accessories-miscellneous/