Both machines use the 54mm portafilter standard, so baskets in that size are generally interchangeable between them — though depth and body shape still matter; see the individual entries for sourced fitment details.
| Breville Barista Express | Breville Barista Pro | |
|---|---|---|
| Portafilter diameter | 54mm | 54mm |
| Basket type | both | both |
| Grouphead standard | proprietary 54mm | proprietary 54mm |
| Verification | verified | verified |
Full sourced entries: Breville Barista Express · Breville Barista Pro