1.Iron housing ,special fan motor 2 Refrigeration temperature:0'C; 3. Fin space: 4.5mm; 4. Environment friendly Product features 1. The housing is in plastic-sprayed coat or rolled, aluminum plate, best in corrosion protection, beautiful in shape.2. Original coil arrangement to reduce the side resistance. The aluminum fins are fastened to the steel tubes by hydraulic expanding way, which is ...