- Compatibility: 54mm Bottomless Portafilter designed to fit Breville / Sage Barista Series including BES880, BES878, BES875, BES870, BES840, BES810, BES500, Barista Express, Barista Touch, Barista Pro, Infuser, and Duo Temp pro. Please Confirm If It Fits Your Coffee Model Before ing - Ergonomic design for comfortable use: Ergonomic handle made from premium materials provides a secure, comfortable grip. The handle design reduces strain on wrists and hands, enabling easy maneuverability and stable operation. Suitable for both professional baristas and home coffee enthusiasts, adding elegance and functionality to your espresso routine - Robust construction with premium materials: Crafted from 304 stainless steel and finished with a high polish by manual craftsmanship. Resists rust and corrosion for longevity and pure espresso extraction. A sturdy portafilter that ensures a consistent fit and performance with your machine - Enhance your espresso skills: The bottomless design allows you to observe the entire extraction, making it a valuable tool for diagnosing extraction issues. Whether you are a beginner or an experienced barista, this feature helps identify and correct problems, improve technique, and refine espresso at home - Detachable bottomless filter holder: Detachable design for easy disassembly, use, and cleaning. You can replace it with another filter basket. Note: Do not wash in the dishwasher; high temperature can discolor the wood - Use scenario 1: During dial-in sessions, observe flow and crema to fine-tune grind size, dose, and tamp for optimal espresso balance - Use scenario 2: In training or home use, watch channeling and extraction to adjust technique and improve consistency - Use scenario 3: Swap filter baskets to experiment with different shot profiles and filtration effects while keeping the same portafilter body