Fanmaster-Evaporative Air Cooler Downdraft- IDDAC-670The Ouber IDDAC 670 is an industrial evaporative air conditioner which utilises the natural process of using evaporation to cool the air. The IDDAC 670 uses a low wattage water pump to circulate water from the water tank on to four cooling pads, which in turn becomes very wet. The 1. 1KW fan draws air from outside the unit through the damped pads. As it passes through the pads the air is cooled by evaporation. Mounted externally and ducted into the