Enhanced Extraction Observation: The bottomless, exposed filter basket design enables baristas to visually monitor the espresso flow rate, color, and columnar streaks during extraction. This transparency helps identify channeling or uneven extraction early, allowing immediate adjustments. As a result, users achieve more consistent shots with richer flavor profiles and improved crema quality. Premium Stainless Steel Construction: Crafted from food-grade stainless steel, this 58mm bottomless portafilter features a hand-polished, handleless filter basket with precise dimensions. The solid handle offers an ergonomic grip and sturdy surface, ensuring secure mounting and comfortable manual control during brewing. This combination of durable materials guarantees long-lasting performance and a premium feel for every espresso shot. Removable Design for Easy Cleaning: The portafilter’s innovative removable basket and puck screen design allow effortless disassembly. Hard-to-reach coffee residues can be thoroughly cleaned, maintaining optimal hygienes and preventing buildup. This feature extends the lifespan of the portafilter while ensuring consistent extraction quality by keeping all components in pristine condition. Precise Control Over Brewing Parameters: By observing the coffee powder bed through the exposed filter bowl, users can fine-tune grinding size, tamping pressure, extraction volume, and time. This detailed feedback loop empowers both beginners and professionals to experiment with extraction variables confidently, leading to a tailored taste experience that highlights the unique characteristics of each coffee blend. Broad Compatibility with Coffee Machines: Designed to fit most symmetrical three-group espresso machines, this filter basket is ideal for home enthusiasts and cafe professionals alike. Its universal 58mm size ensures seamless integration with popular commercial and domestic espresso makers, delivering professional-grade extraction benefits regardless of your brewing environment. Item Name: Portafilter Material: PLA Process: 3D Printing Features: with Puck Screen, 3 Ears, Espresso Machine Accessories Size Details: Length: 20cm/7.87" (Approx.) Diameter: 8cm/3.15" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Portafilter