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 RS6GN8231S9, Freestanding, American door, Stainless steel, Buttons, 638 L, SN-T Samsung RS6GN8231S9. Appliance placement: Freestanding, Product design: American door, Product color: Stainless steel. Total net capacity: 638 L, Climate class: SN-T, Noise emission class: C. Fridge net capacity: 412 L, Lamp type: LED. Freezer net capacity: 226 L, Freezer position: Side-placed, Freezing capacity: 12 kg/24h. Energy efficiency class: F, Annual energy consumption: 419 kWh, Energy efficiency scale: A to G