Specially crafted for CASABREWS 5700 Series, Neutron Pro, Ultra, and 4700Gense machines, this 58mm bottomless portafilter helps baristas and coffee enthusiasts perfect their espresso shots. With a clear view of the extraction process, you can instantly identify channeling or tamping errors. The set includes a precision double filter basket and a puck screen to ensure even extraction and keep your machine's brew head clean. Built with food-grade stainless steel and a solid wood ergonomic handle, it is a durable and stylish upgrade for your espresso workflow.