The Breville / Sage 54mm bottomless portafilter filter by SingleDoseBrew is guaranteed to work with your Breville Barista Express, Barista Pro, Barista Touch and Bambino espresso machines. All other generic E61 portafilters WILL NOT WORK with your 54mm Breville / Sage group head as it is a 3 ear portafilter. This one was precision engineered just for the 54mm Breville / Sage BES8XX / BES5XX group head.

The WPM 58mm bottomless portafilter by SingleDoseBrew is guaranteed to work with your WPM 58mm group head espresso machines. All other generic E61 portafilters WILL NOT WORK with your 58mm WPM group head as its ears is shorter than other brands. This one was precision engineered just for the 58mm WPM group head.

The SunBeam 58mm bottomless portafilter by SingleDoseBrew is guaranteed to work with your SunBeam 58mm group head espresso machines. All other generic E61 portafilters WILL NOT WORK with your 58mm SunBeam group head as its ears is shorter than other brands. This one was precision engineered just for the 58mm SunBeam group head.

The 58mm Barsetto 58mm bottomless portafilter filter by SingleDoseBrew is guaranteed to work with your Barsetto BAE01/BAE02, Breville Max, and Calphalon espresso machines. These machines use a very unique 3 ear 58mm portafilter that is different from the 2 ear ones more commonly found for E61 group head machines. This one was precision engineered just for the 58mm 58mm Barsetto group head.

The 58mm Breville Max 58mm bottomless portafilter filter by SingleDoseBrew is guaranteed to work with your Breville Max espresso machines. These machines use a very unique 3 ear 58mm portafilter that is different from the 2 ear ones more commonly found for E61 group head machines. This one was precision engineered just for the 58mm Breville Max group head.

The 58mm Calphalon 58mm bottomless portafilter filter by SingleDoseBrew is guaranteed to work with your Calphalon espresso machines. These machines use a very unique 3 ear 58mm portafilter that is different from the 2 ear ones more commonly found for E61 group head machines. This one was precision engineered just for the 58mm Calphalon group head.

The Breville / Sage 58mm bottomless portafilter filter by SingleDoseBrew is guaranteed to work with your Breville Dual Boiler, Oracle or Oracle Touch espresso machines. All other generic E61 portafilters WILL NOT WORK with your 58mm Breville / Sage group head as its deeper than other brands. This one was precision engineered just for the 58mm Breville / Sage BES9XX group head.