1.Iron housing ,special fan motor 2 Refrigeration temperature:0'C; 3.Fin space: 4.5mm; 4. Environment friendly ,high quality Product features 1. The housing with iron plate is in plastic-sprayed coat or rolled,, 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, ...