Why Buy a Fridge Freezer 50/50? Refrigerator freezers that allow you to switch between fridge and freezer temperatures are helpful in keeping the contents of each half fresher for longer. Models with different zones will maintain the perfect temperature for vegetables, meat and salad. Other useful features include Blue Light https://www.frydge.uk/products/hisense-black-frost-free-50-50-fridge-freezer-e-rated