50inch FRP Roof Ventilation Fan Fiberglass Exhaust Fan Industrial Ventilation Fan

This fiberglass exhaust fan are widely used in agriculture, industry and other busy or closed places for cooling, such as greenhouse (flower, vegetable and plant), poultry house(animal husbandry, livestock breeding, cow/ chicken/sheep house),factory, workshop(textile, chemical, medicine, tea, vegetable storage)restaurant and supermarket.