Features Specifications:Sell Air Cooled Condenser ( copper tube condenser ,Unit Cooler)  Refrigeration condenser ,air cooled condenser are divided into three different ranges of HFD, MFD and LFD according to the different applied Temperature. HFD series is suitable for keeping fresh Cold rooms for -5/5 degree; MFD for frozen rooms for -15/ -18degree and LFD for Rapid Freezing Cold Rooms for lower than -25degree  Production as follows:  Coils: Φ9.52 or Φ16 copper tube and aluminum, fin spacing 4.5mm(DL), 6mm(DD), 9mm(DJ);  Casing: Prepainted embossed Aluminum board;  Defrost: Defrosting by electric heater  Motor: External rotor motor with low noise;  Testing of Pressure and leaking by 28 bar with dry air and charged 1bar Nitrogen in the Inner tube;  Refrigerant can use R22, R134a and R404A.