This integrated Amica fridge freezer is good for both the environment and your wallet. The width is 54 centimetres and it has, among other things, cooling with natural gas.
From Buywise Domestics
Amica BK3163 White Int 70/30 fridge freezer
Appliance Consultants
Amica BK3163 70/30 Fully Integrated Fridge Freezer