Tender For supply of duct cooling system with gi ducting c c-- gi ducting cool 24 guage 0. 60 mm sheet with installation , air cooler 18000 cmh 1. 1 kw motor 1400 rpm , air grill aluminium coating , electric work for cooler , insulation of aluminium silver coil 9mm xlpe , cooler stand , water tank 1000 litres with installation , cooler for civil work