... running cost Product features:1.shell of air cooler:alluminum plate shell or plastic coated steel , ... defrosting4. number of fans: customizedStandard equipment Air cooler TypeRefrigerating capacityCooling areaSegment pitchCooling FanDefrosting waterNumberDiameterPowerVoltageM3/hDL-280420002804. ... mobile: 86-0-15269568609We have many kinds of air cooler, including ceiling type, floor type, dry type, ...