Find the Right Portafilter for Your Espresso Machine
Choosing the correct portafilter depends on your espresso machine brand, group head size, and compatibility. This guide helps you identify whether you need a 51mm, 54mm or 58mm portafilter, with quick links to compatible accessories for popular machines including Breville, Delonghi, Gaggia and more.
Find the right portafilter for your machine
Common Portafilter Sizes Explained
51mm: Common on many Delonghi machines including Dedica models.
54mm: Used by most Breville home espresso machines.
58mm: Standard on many prosumer and commercial-style machines.
Need more detailed upgrade advice?
Breville machines → [Breville Upgrade Guide]
Delonghi machines → [Delonghi Upgrade Guide]