Upgrade your professional espresso workflow and diagnose extraction issues with the **BODY PORTAFILTER STRAIGHT-IN BOTTOMLESS (Part \# A.5.123.01)**. Engineered for compatibility with Straight-In group head machines like the La Marzocco KB90, this bottomless portafilter body eliminates spouts, allowing you to observe the entire extraction process. A key feature is its durable, high-quality material construction, designed to withstand the rigorous demands of a high-volume commercial café. By exposing the basket, this tool becomes essential for training and quality control. **Stop struggling with uneven espresso extraction** and gain immediate visual feedback to pinpoint channeling, dosing, and tamping errors, leading to consistently perfect shots. The primary benefit of switching to this **Straight-In Bottomless Portafilter** is the immediate identification and correction of poor puck preparation. **Are your espresso shots running too fast or spraying everywhere?** The visual cue from this tool instantly tells you why, saving you time and wasted coffee. It promotes superior crema development and allows for a fuller, richer flavor profile compared to standard spouted portafilters. Furthermore, the straight-in design ensures effortless, ergonomic engagement with the KB90 group head, minimizing wrist strain for baristas throughout the day. This simple change is the most effective solution for improving shot quality and consistency across your baristas. Usage is straightforward: simply dose your coffee, tamp, and lock the **BODY PORTAFILTER STRAIGHT-IN BOTTOMLESS** into the machine. The exposed extraction reveals issues like channeling, which often leads to the problem of **bitter, under-extracted espresso**. By using this bottomless portafilter, you can immediately adjust your grind size or tamping technique to solve that issue. The durable, ergonomic design ensures a long service life, making it a valuable investment for any serious coffee program focused on maximizing quality. Replace your standard body today and experience the difference superior visual feedback makes on your espresso quality.