We are offering turbo ventilator fan. Sun-arch ventilators are mode from polypropylene and stainless steel. Stainless steel being harder material as compared to aluminum makes ventilators strong, sturdy and durable. Sun-arch ventilators are lighter in weight as compared to any other ventilator, though ss has higher density than aluminium. This is because of less numbers of blades, but the unique design of blades increases its overall performance.