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 Gorenje RBI2122E1, Built-in, White, Rotary, Stainless steel, Tempered glass, Right Gorenje RBI2122E1. Appliance placement: Built-in, Product color: White, Control type: Rotary. Total net capacity: 180 L, Climate class: SN-T, Noise emission class: C. Fridge net capacity: 165 L, Fridge gross capacity: 171 L, Lamp type: LED. Freezer net capacity: 15 L, Freezer position: Top-placed, Freezing capacity: 2 kg/24h. Energy efficiency class: F, Annual energy consumption: 183 kWh, Energy efficiency scale: A to G