Technical Features Brushes included in the kit for 53mm and 58mm portafilter baskets Voltage, power: 220-240 V – 50-60 Hz, 36 W R.P.M. 200/min. Functioning: automatic brush activation with optical sensing device Brush material: food grade rubber Material: stainless steel body Coffee grounds pipe capacity: about 3 kg of coffee grounds Net weight: 4 kg Dimensions: 187 x 187 x 690h mm