HiBREW H13 specifications The HiBREW H13 is a professional dual-boiler espresso machine designed for home use and specialty coffee lovers. It features a stainless steel body and a 20-bar pump. Here are its most important specifications: Heating System: Double Boiler to speed up preparation time and extract espresso and steam milk simultaneously. Pressure Pump: 20 bar. Display: Interactive touch screen (LED) for controlling preparation modes. Brew Group (Portafilter): 58mm size, commercial size. Available Options: Prepare espresso, americano, black coffee, hot water dispensing, and cold brew. Control: Equipped with a PID temperature control system and an OPV (Over-Pressure Valve). Water Tank Capacity: 1.3 liters.