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 LG GBB72MCUFN, 384 L, SN-T, 14 kg/24h, D, Fresh zone compartment, Black LG GBB72MCUFN. Total net capacity: 384 L. Door hinge: Right, Display type: LED. Climate class: SN-T, Noise level: 36 dB. Fridge net capacity: 277 L, No Frost (fridge), Multi-Airflow system (fridge), Fridge interior light. Freezer net capacity: 107 L, Freezing capacity: 14 kg/24h, No Frost (freezer). Fresh zone compartment. Energy efficiency class: D, Annual energy consumption: 215 kWh