Note 1Too coarse a grind too little coffee or insufficiently tamping the grounds before brewing can all lead to inadequate pressure for a proper brew 2It is important to note that the amount of espresso extracted will vary depending on the grind size and amount and reprogramming may be needed when the size and amount are adjustedFilter typeReusable THERMOBLOCK HEATING SYSTEM Stainlesssteel lined heating system with 15 bars of pressure for highpressure brewed espresso TWO FILTERS For one or two espressos or prepackaged espresso pods HEAVYDUTY Stainless steel construction with large integrated cup warming tray SWIVEL FROTHER Unlimited steam output for perfectly frothing or steaming milk for cappuccinos and lattes EASY TO FILL Removable 46oz water container for easy filling and cleaning HOUSING ABS plastic and stainless steel accents