Perfectly Compatible: This 54mm bottomless portafilter is designed for optimal performance. Tip: Please ensure your machine is compatible before purchasing. The Coffee Master's Training Partner: The bottomless design allows you to observe the flow column, speed, color, and striations, helping you better judge the uniformity of extraction for a more exquisite result. The coffee liquid extracted by the bottomless handle has more crema and better quality, allowing you to enjoy the beautiful, shiny golden-brown coffee column as it blends into the espresso. The detachable design is convenient and quick to disassemble, making it easy to use. Color: Silver Material: Stainless steel Package Contents: 1 x Coffee Portafilter, 2 x Coffee Powder Container (1 cup/2 cups), 1 x Coffee Powder Ring Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowable measurement error is +/- 1-3cm.