Air Ventilator is used for fresh air ventilation in enclosed area & during disaster for smoke extraction and removal of leaked gases forcing in fresh air. Ventilation is also required for removing water vapor produced by respiration, burning and...
Purity : No Power Exhausting,Anti-acid-base,Noise And Pollution Free Operation,Environment Friendly,Improves Air Quality,Raises Working Efficiency,Smooth Rotation At Light Wind,Bearings At Lower And Upper Position,Excellent Single Rotating Mechanism