Compare Wall Fan FB Read more Remove Code Diameter (INCH/MM) Freq (Hz) Speed (R/MIN) Air Flow (M3/MIN) Power (Watt) Voltage (V) FB40E 16/400 50 1350 82 110 220 FB45E 18/450 50 1350 120 120 220 FB50E 20/500 50 1350 170 130 220