FRP Roof Ventilator (FRP Fan)

We need to know Speed capacity, full air pressure, power etc. 1)Model: BDW-84, BWS-85, BDW-87-3, BDW-87-4, FDW, FWT 2)Material: Metal or FRP, Great wind of speed, low noisy, high Efficiency, run smoothly, beautiful figure, it could be made to Anti-corrosion and anti-exploded. 3)Low noise, large air volume, save electricity, long life. Application: Axial -flow roof ventilator are applied in hotel, hospital power plant, Chemical, rubber, pharmacy, food processing, metallurgy workshop, Outer packing: Standard export packing.