1)air conditioner 2)Strong resistance to corrosion 3)Large air volume, low noise 4)Long service ... fan has passed the experiment of homeostasis, large air folw, low noise, no distortion and no blending ... : ModelDiameter Blades(mm)Wind leaf speed(r/min) Air Volume(m³/h) Power Outer size(mm) Voltage ... 50HZ ETXS-1250 1250 450 42000 1.1kw 1380*1380*450 380v 50HZ CE Certification Industrial air conditioner