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 Samsung RR39M7130S9, 387 L, SN-T, 39 dB, F, Stainless steel Samsung RR39M7130S9. Fridge net capacity: 387 L, Climate class: SN-T, Noise level: 39 dB. Display type: LED, Fridge number of shelves/baskets: 5, Number of vegetable drawers: 2. Lamp type: LED. Door hinge: Right. Annual energy consumption: 151 kWh, Energy efficiency class: F. Weight: 162 lbs (73.5 kg). Product color: Stainless steel