DuplexCool ProThe refrigerator and freezer have separate cooling circuits which ensure an optimum climate in both. In addition, there is no air exchange between the 2 areas. This prevents food in the refrigerator from drying out, and odours from fish, onions or cheese, for example, are not transferred to food in the freezer section.brbrIn addition to the DuplexCool functionality, DuplexCool Pro provides maximum cooling with 2 separate compressors – one for each cooling circuit.brbrDuplexCool Pro is therefore the professional solution to storing your food safely in fridge-freezers.