E means that the product is rated in its category in terms of energy efficiency. The Energy Labeling system is based on EU Regulation 2017/1369/EU. E WLA TC880B, 88 L, 39 dB, E WLA TC880B. Fridge net capacity: 88 L, Noise level: 39 dB. Annual energy consumption: 85 kWh, Energy efficiency class: E