IMS Precision 14-18 g filter basket compatible with 54mm Breville Sage Espresso machines Express, Bambino, Bambino Plus BES450, BES500, BES880, BES810BSS, BES860XL, BES870XL, BES878 : Amazon.co.uk: Home & Kitchen
IMS E61 Barista Pro Competition 3cup Double Filter Basket 20g H26mm fit Breville | eBay
54mm IMS Basket modified for Breville. Left is the stock double pressurized, right is the IMS competition la spaziale 12/18 basket. The top lip was sanded down with a file to fit