"Waterproof Cooling Fan" is the design and development of quiet, low power consumption, large air volume, high pressure, high-power, large-size waterproof fan, focused on: communication power, communications chassis, industrial equipment, freezer, refrigerator, inverter , military products, diving equipment, boat parts Pa, power inverters, industrial power, industrial equipment and other industries and product design, great to meet customer demand for water cooling fan. A box packaging 20PCS, is divided into two, one 10PCS, all taken individually wrapped paper card, ensure that all aspects of the fan will not be crushed during transport, falls, injury.