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 Haier HFF-750CGBJ, 488 L, No Frost (fridge), T, 12 kg/24h, F, Black Haier HFF-750CGBJ. Total net capacity: 488 L. Display type: LED. Climate class: T, Noise level: 37 dB. Fridge net capacity: 267 L, No Frost (fridge), Multi-Airflow system (fridge), Fridge interior light, Fridge number of shelves/baskets: 2. Freezer net capacity: 221 L, Freezing capacity: 12 kg/24h, No Frost (freezer). Energy efficiency class: F, Annual energy consumption: 340 kWh. Product colour: Black