E refers to the energy efficiency class of the complete cycle. The Energy Labeling system is based on EU Regulation 2017/1369/EU. E B refers to the energy efficiency class of the washing cycle. The Energy Labeling system is based on EU Regulation 2017/1369/EU. B Samsung WD90T634DBH, Front-load, Freestanding, White, Left, 13.2 lbs (6 kg), 1400 RPM Samsung WD90T634DBH. Loading type: Front-load, Appliance placement: Freestanding, Product color: White. Drying capacity: 13.2 lbs (6 kg), Maximum spin speed: 1400 RPM, Spin-drying class: B. Energy efficiency class (washing): B, Energy efficiency class (washing & drying): E, Water consumption washing per cycle: 50 L. Depth: 25.6" (650 mm), Width: 23.6" (600 mm), Height: 33.5" (850 mm)