D 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. D Electrolux IK277BNL, 266 L, No Frost (fridge), SN-T, 35 dB, D Electrolux IK277BNL. Total net capacity: 266 L. Door hinge: Left. Climate class: SN-T, Noise level: 35 dB. Fridge net capacity: 166 L, No Frost (fridge), Fridge interior light, Fridge number of shelves/baskets: 3, Number of vegetable drawers: 1. Freezer net capacity: 60 L, No Frost (freezer). Energy efficiency class: D, Annual energy consumption: 172 kWh