Centrifugal fan Impeller in Aluminium,Fan Blade Application: all kinds of centrifugal fans Diameter from 160mm to 1,000mm. Fan Blade, Axial ... Fan, Fan, Ventilator, Air-condition, Centrifugal fan, Ventilation, Ventilating Fan, Blower, Industrial Fan, Ventilation, Ventilator Fan, Ventilation, Ventilator Fan ...