HiBREW H21 machine with an open portafilter 58 and MHW Pro Max scale Key Features of HiBREW H21 1. Imported Italian pump with rapid pressure in 3 seconds to increase extraction efficiency by 30% 2. Dual OPV system (pressure valve + safety valve) maintains a stable extraction pressure of 9 bar. 3. Two independent steam boilers increase steam dryness by 20% to improve milk frothing. 4. Commercial-grade 9-bar extraction pressure ensures consistent coffee quality 5. Customizable pre-infusion time (0-4 seconds adjustable) 6. OLED display for operating status and intuitive parameter monitoring Dual Pump & Boiler System: 15-bar pump for extraction, and a separate pump for steam, allowing you to prepare coffee and steam milk simultaneously without waiting. PID Temperature Control: