Function: 1. Compatibility: This 58mm two-ear handle is compatible with Expobar, Rocket, Faema, Rancilio, EM19M2, Gemilai (commercial and household 58mm), Casadio, Asaso, Semremo, La Cimbali, GAECM, Bezzera, Royal, and Wega models with 58mm bilateral symmetry. 2. Includes filter basket: Comes with a 58mm stainless steel filter basket, compatible with Expobar 58mm portafilters. Designed for daily use to meet various brewing needs. 3. Improved extraction: Transparent design allows for clear observation of the flow column, flow rate, edge flow, and other extraction characteristics. Helps identify inconsistencies or defects prior to brewing, enabling better evaluation of extraction uniformity for more consistent and flavorful coffee. 4. Powder bowl: Made from aluminum alloy, offering corrosion resistance and durability. Provides a hygienic and safe solution for daily espresso preparation. Specifications: Item type: Coffee filter holder Compatible models: Expobar, Rocket, Faema, Rancilio, EM19M2, Gemilai (commercial and household 58mm), Casadio, Asaso, Semremo, La Cimbali, GAECM, Bezzera, Royal, Wega – most 58mm bilateral symmetrical commercial group heads Material: Aluminum alloy Size: 230x58mm / 9x2.3 inches Package includes: 1 x Coffee holder