1 * Double Two Cup Single Wall Filter Basket For 54mm Portafilter UK | eBay
IMS 54mm Basket for Breville 18-22g Precision Portafilter Basket fits 53- 54mm Tampers and Bottomless Portafilters : Amazon.co.uk: Home & Kitchen
IMS Precision 20 g Filter Basket B62.52TH26E Compatible with 54mm Breville Sage Espresso Machines Express, Bambino, Bambino Plus, Barista Pro
Recommendations for 54mm precision baskets? : r/espresso
verybarista IMS Big Bang Precision Filter Basket made for Breville Sage 54mm bottomless portafilters, double espresso (h25.5) : Amazon.co.uk: Home & Kitchen