F 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. F Bosch Serie 2 KDN55NWF1N, 453 L, No Frost (fridge), SN-T, 12 kg/24h, F, White Bosch Serie 2 KDN55NWF1N. Total net capacity: 453 L. Door hinge: Right. Climate class: SN-T, Noise level: 41 dB. Fridge net capacity: 335 L, No Frost (fridge), Multi-Airflow system (fridge), Fridge interior light, Fridge number of shelves/baskets: 4. Freezer net capacity: 118 L, Freezing capacity: 12 kg/24h, No Frost (freezer). Energy efficiency class: F, Annual energy consumption: 336 kWh. Product color: White