1. Compatible with Multiple Breville Models: The 54mm Bottomless Portafilter is designed to fit a range of Breville machines, including Breville / Sage Barista Series BES880, BES878, BES875, BES870, BES840, BES810, BES500, Barista Express, Barista Touch, Barista Pro, Infuser, Duo Temp pro. Please Confirm If It Fits Your Coffee Model Before ing 2. Ergonomic Design for Comfortable Use: The portafilter features an ergonomic handle made from materials, providing a secure and comfortable grip. The handle's design reduces strain on your wrists and hands, allowing for easy maneuverability and stable operation. Perfect for both professional baristas and home coffee enthusiasts, it adds elegance and functionality to your coffee-making experience 3. Superior Construction with Materials: Crafted from 304 stainless steel and high-polished by manual craftsmanship, this portafilter resists rust and corrosion, ensuring longevity and pure espresso extraction. Its robust construction guarantees a perfect fit with your machine for consistent performance 4. Enhance Your Espresso Skills: The bottomless design of the portafilter allows you to observe the entire extraction process, making it an invaluable tool for diagnosing espresso extraction issues. Whether you're a beginner or a seasoned barista, this feature enables you to identify and correct extraction problems, improve your techniques, and perfect your espresso-making skills at home 5. Detachable Bottomless Filter Holder: Detachable design, convenient and quick to disassemble, more easy to use and clean.You can also replace it with another Filter Basket. (Note: Do not wash it in the dishwasher. Because high temperature will discolor the wood)