This 54mm Bottomless Portafilter is compatible with Breville / Sage Barista Series models BES880, BES878, BES875, BES870, BES840, BES810, BES500, Barista Express, Barista Touch, Barista Pro, Infuser, and Duo Temp Pro. Constructed from high-quality stainless steel and durable ABS plastic, the portafilter features a sleek black and silver finish with a comfortable handle for secure grip. The bottomless design allows real-time observation of espresso extraction, helping to optimize grind and tamp techniques for consistent results. The detachable construction enables quick and easy disassembly for convenient cleaning and maintenance. Designed to hold a full 21-gram shot, it helps minimize coffee waste and spillage. Includes one 54mm bottomless portafilter and one coffee dosing ring. Package contents: 1 x Bottomless Portafilter, 1 x Coffee Dosing Ring. Additional items shown in images are not included. Note: Lighting and display settings may cause slight color variations between the product and the image. Measurement may vary by +/- 1-3 cm.