The Rocket Bottomless Portafilter is an essential tool for espresso enthusiasts who want to improve their brewing technique. Compatible with Rocket Espresso machines, this portafilter features an open-bottom design that allows you to observe the extraction process, providing valuable insights into the quality of your shots. The bottomless design helps identify issues such as uneven distribution or channeling, enabling you to make adjustments for better results. Crafted from high-quality materials with a comfortable handle, the Rocket Bottomless Portafilter is a must-have for those seeking to perfect their espresso-making skills.