58mm stainless steel bottomless filter handle for standard 58mm filter baskets Bottomless design provides direct visual feedback during extraction, helping you observe flow and identify issues such as channeling for faster troubleshooting and consistent shots Made from durable stainless steel for reliability under temperature and pressure; easy to clean and maintain 58mm commercial grade standard handle ensures a precise fit with standard 58mm portafilters and compatible machines Replacement part that can be disassembled for maintenance or replacement within the coffee machine setup Designed for professional extraction equipment to support quality espresso output Compatible with 58mm commercial espresso systems; suitable for use with standard 58mm group head machines Use scenarios Cafe or coffee workflow: worn components in a 58mm portafilter setup to maintain consistent, professionalgrade espresso shots Home barista setup: use with a 58mm machine to visually monitor extraction, diagnose channeling, and refine grind size, dose, and tamping technique Service or maintenance: convenient replacement part for 58mm portafilter assemblies, enabling quick maintenance or upgrades without specialized tools Key attributes Function: bottomless filter handle designed to support professionalstyle extraction and diagnostic visibility Compatibility: 58mm commercial standard fit with standard 58mm portafilters and group head machines Size: 58mm professionalgrade standard handle Material: stainless steel for durability and easy cleaning Performance: enables professionallevel extraction while allowing disassembly for maintenance and replacement parts