What to Look For in a Barista Espresso Machine The espresso machine is among the most complicated coffee machines available. It consists of three main components. The bottom houses the water and the middle contains the filter-basket. This machine was a big hit and helped popularize home barista espresso. Features https://www.coffeee.uk/products/de-longhi-barista-pump-espresso-machine-coffee-cappuccino-maker-black