D 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. D Gorenje WE843, Front-load, 8 kg, B, 81 dB, 1400 RPM, D Gorenje WE843. Loading type: Front-load. Rated capacity: 8 kg, Spin-drying class: B, Noise level (spin): 81 dB, Noise level (wash): 59 dB, Maximum spin speed: 1400 RPM. Product colour: White. Width: 600 mm, Depth: 545 mm, Height: 850 mm. Energy efficiency class: D