Using this bottomless portafilter, you can inspect the extraction abnormality of your Delonghi Espresso machine within a short time. For this method, you’ll use a measuring tape (preferably the retractable steel one with 1/32 inches divisions) and your smartphone for calculations. The industry standard is 58mm , so this is a somewhat small and unusual size, though certainly not an unmanageable one. Some of our partners may process your data as a part of their legitimate business interest without asking for consent.

Because of several reasons, this item is an exceptional product on our best bottomless portafilter list.But we also offer coffee beans, ground coffee, Nespresso® compatible capsules (Nespresso® is a registered trademark belonging to a third party and having no link with MaxiCoffee), loose tea, iced tea, services to help businesses to find the perfect coffee solution and so much more? Even if you opt for a deeper by smaller portafilter, you’ll be limited by the size of the machine itself. In addition to Damian's answer (too much coffee or insufficient tamping), have a look at how the portafilter seals onto the group head. However, unless you’re a seasoned barista or a production engineer, chances are that you don’t have one of these around.

We are passionate and expert in the world of coffee offering various coffee training or event services, a roasting unit, an innovation incubator. Feel free to edit your question with this info, or delete this question then re-ask over at the specialty Coffee site! I'm a skilled barista and roaster known for my passion for coffee and dedication to creating the perfect cup.Commercial style portafilters are the optimal style portafilter for achieving the right tamp and the right pressure.