bids are invited for boq total quantity : 1-supply of desert cooler electric driven ( single phase ) having copper winding qty.140 cooler fan type of 500mm sweep fan motor with 3 leaf iron blade 1350 rpm and nos power consumption of 180 watts ( make- khaitan, crompton or equivalent make ) , pvc submersible pump copper winding complete single phase 230 volts, galvanized non corrosive steel body ( min 22gauge ) and body dimension ( 850mm x 650mm x 650mm ) , front grill rectangular shape and three side with opeaning steel shutter with wooden chips pad and three step rotary type controller including pvc pipe fitting, on / off switch.