Offered in different configurations, this Prefabricated Roof Ventilator System ensures hassle free releasing of fume and smoke filled internal air. Designed by experienced professionals, this ventilating system is harsh weather proof. Moreover, its installation does not lead to roof leakage problem. Free from maintenance charge, this product deserves praise for its stable structure, rain and high temperature proof design, long lasting quality and high dust absorption capacity. Customers can obtain this ventilation system in different diameters as per the available roof space of their buildings. We are an eminent supplier and manufacturer of best grade Prefab Roof Ventilating System.