De'longhi Knock Box - DLSC062An essential part of the coffee kit for any hands on coffee lover. Tap your filter holder onto the Knock Box to empty coffee grinds out. Stunning Knock Box for the disposal of used coffee grounds. Simply tap your portafilter (coffee group handle) onto the Knock Box to release your coffee grinds out of the filter holder. Specifications: Stunning Knock Box for the disposal of used coffee grounds Simply tap your filter holder (group handle) onto the