Professional - a combination of style, quality and reliability. The machine is largely constructed of cast brass and is built to last. The large boiler ensures that lime scale deposits have minimal effect, meaning minimum maintenance is needed. By lifting the lever, a piston inside the group is raised, allowing water under pressure to infuse the coffee in the filter holder. The lever is then lowered, causing the piston to force the water through the coffee into the cup. The user therefore can vary[...]