Ring with ordinary evaporation cooling ventilation unit market wholesale price and Qty to negotiation, minimum order quantity is one. Normal evaporation unit quit cooling ventilators made of high quality plastics and electronic components, specifications, color is white. Common evaporative cooling ventilation units with square ring design, simple to use, easy to operate, are Internet cafes, factories must-have items. 18000M3/H the common evaporation unit quit cooling ventilators air output, power 1100W, voltage/frequency two hundred and twenty-fiftieths, 380/50V/Hz, axial-flow fan types.