Axial Fan 41W , 110 V Ac , Single Phase, 50 Hz, 2750Rpm, Air Flow 235 M3/Hr, Body Made Of Die Cast Aluminium , Blades Made Of Sheet Steel/Glass Filled Polycarbonate To Icf Drg. No. Icf/Sk-7-6-177 Alt 'B' As Per Is: 3588. [ Warranty Period: 30 Months After The Date Of Delivery ] ]