Good quality, good finishes (glass container and piston in place). Office Prohibition against coffeemakers or electric kettles ... Here is the ideal solution. Our water fountains also dispense hot water, enough to brew the ground coffee. The piston does the rest. This model allows to use up to 8-9 cups of coffee (25cl cups half filled). Coffee is clearer than an espresso machine, but retains an authentic taste (average 4 teaspoons ground coffee and hot water to the demarcation of the piston cover).