Optimized coffee flavor: This stainless steel replacement part has larger holes that improve pressure extraction, producing a richer taste when using finer grounds. Compatibility: Fits 58 mm espresso machines including BES900XL, BES920XL, BES980XL, and BES990 models. Easy installation: A softer silicone gasket allows quick installation and a snug fit that maintains performance during brewing. Durable construction: Made from grade stainless steel that is resistant to water and acids, built to withstand daily espresso use. Practical use scenarios: worn parts on BES900XL to improve extraction when grinding finer coffee. Upgrade flavor consistency on BES920XL or BES980XL by optimizing pressure with finer grounds. Use in a home or small cafe setup to 58 mm components with a corrosionresistant, longlasting option.