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 GBB72BM9DQ, 387 L, SN-T, 10 kg/24h, D, Fresh zone compartment, Black LG GBB72BM9DQ. Total net capacity: 387 L. Door hinge: Right, Display type: LED. Climate class: SN-T, Noise level: 35 dB. Fridge net capacity: 277 L, No Frost (fridge), Multi-Airflow system (fridge), Fridge interior light. Freezer net capacity: 110 L, Freezing capacity: 10 kg/24h, No Frost (freezer). Fresh zone compartment. Energy efficiency class: D, Annual energy consumption: 217 kWh