Enhanced Compatibility for Models: This precision-crafted 54mm bottomless portafilter seamlessly fits several models including the Express (BES870), Pro (BES878), and more. Perfect for upgrading your espresso extraction, this essential tool is crafted to meet the demands of both novice and professional baristas. Professional Extraction Diagnosis: Transform your espresso experience by directly observing the extraction process. The bottomless design allows for a direct view, enabling you to watch the flow of coffee and identify any discrepancies in extraction, helping you achieve consistent perfection in every shot. Ergonomic Design: Constructed with high-quality black ABS for comfort and 304 stainless steel for durability, this portafilter withstands the test of time and provides a comfortable grip and stable operation, enhancing your daily coffee brewing ritual. Generous Double-shot Capability: Brew more with each use. This portafilter comes equipped with a 2-cup filter basket that holds up to 20 grams of coffee. It's designed with fine holes that efficiently filter coffee, ensuring a rich and robust espresso shot every time you brew. Complete Espresso Accessories Kit: Elevate your coffee-making experience with the included 53.5mm puck screen, which optimizes water distribution and prevents channeling effects. The full kit aids in producing a clearer and more flavorful espresso, making your coffee moments truly special. Color: Silver & Black Material: Stainless steel Package Contents: 1 x Portafilter 1 x Filter 1 x Filter Basket Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement may vary by +/- 1-3 cm.