... molded impeller Thermally protected AC motor Include mounting brackets CE,FCC,EMC,SAA Hydroponic Radial Centrifugal Inline Fans 1 Phase, (Plastic ... external rotor motor c/w a high efficiency backward curved impellor This range of fans are excellent for long ducting runs, low noise ... / 23060 / 5021524101850680Φ315mm120 / 23060 / 5023023751900710SPEED CONTROLLER FOR CHOOSING Radial Centrifugal Fans