Tenders for Supply of Ac Cab Fan, Wall Mounting 110 Volts +/- 22.5%, 50 Hz +/- 3% With On - Off Swit Ch, Air Quantity 20 Cubic Meter/Minute At Specified Voltage, As Per Clw Specn. No. Cl W/Es/F-4 Alt. G And Clw Sketch No. Clw/Es/Sk-1/F-4 Alt. G Warranty Period: 30 Months After The D Ate Of Delivery