This size is most famously associated with the Breville and Sage 54mm line. It is compatible with: Breville/Sage Barista Series: Barista Express (BES870XL), Barista Pro (BES878), Barista Touch (BES880), and Barista Express Impress. Breville/Sage Compact Models: Bambino, Bambino Plus, Duo-Temp Pro, and Infuser. Other Brands: Solis Grind & Infuse Pro and La Spaziale (specifically the Vivaldi and Lucca A53 models which use 53mm baskets).
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