Coffee and Espresso Machines Espresso machines make use of pressure to push water through finely ground and tamped coffee beans. They create a rich, delicious brew. Good Housekeeping Institute experts recommend models that are brewed at 9 bars or less to ensure an ideal extraction. Beware of brands that claim https://www.coffeee.uk/products/de-longhi-stilosa-ec260-bk-traditional-pump-espresso-coffee-machine