- 54mm Naked/Bottomless Portafilter: Designed specifically for compatibility with the Barista Express, Barista Pro, Barista Touch, Bambino Plus, Infuser, and Duo-Temp Pro. Enhance your espresso-making experience with this essential tool. - Extraction Improvement: The bottomless design allows you to observe the extraction process in real-time. Easily identify and correct issues such as incorrect grind size or tamping pressure, making it an invaluable asset for both beginners and seasoned baristas. - Ergonomic Design: Crafted with a natural sandalwood handle for a comfortable grip and superior control. The portafilter head is made from food-grade stainless steel, ensuring durability and a secure fit in the group head for optimal brewing results. - Important Note: Our portafilters are engineered for a snug fit in espresso machine group heads, creating a tight seal during brewing. Due to variations in machine tolerances, some may fit tighter than others. If you encounter any fitment issues, please contact our support team for assistance. - Practical Applications: 1. Perfect for home baristas looking to refine their espresso techniques and troubleshoot extraction issues. 2. Ideal for coffee enthusiasts who want to understand the nuances of espresso brewing and improve their coffee quality. 3. A great addition to professional setups, ensuring consistent performance and quality in every shot. Upgrade your espresso-making with our 54mm Naked/Bottomless Portafilter, combining functionality, quality, and ease of use for exceptional results.