... alluminum plate shell or plastic coated steel , anti-corrosive and beautiful, panel connected by bolt,easy to disassembly for ... pipe,special located makes less air retardant,3.defrosting:water and/or electricity defrosting4. number of fans: customized5.Scientific ... air cooler, including ceiling type, floor type, dry type, wet type, dry and wet mixed type and so on, whatever your needs, please contact ...