Extraction Enhancement: The bottomless design of this 58mm coffee portafilter allows for observation of the flow column, flow rate, color, and flow column streaks, enabling identification of defects and errors before extraction. This leads to better assessment of extraction uniformity, resulting in a more exquisite and consistent coffee extraction. Premium Materials: This 58mm bottomless coffee filter is made from stainless steel and plastic, ensuring it's environmentally friendly, safe, and hygienic. It's oxidation-resistant, corrosion-resistant, and durable. Suitable Model: This 58mm 3-ear bottomless portafilter is compatible with most 3-ear symmetrical Barsetto coffee machines. Easy to Clean: The detachable design allows for quick and easy disassembly, making cleaning simple and thorough without any hard-to-reach areas. Filter Basket: The stainless steel 58mm filter basket is compatible with Barsetto 58mm filter baskets, providing a seamless user experience. Item Type: 58mm Coffee Portafilter Material: Plastic, Stainless Steel Weight: Approx. 415g / 14.6oz Applicable Model: Suitable for Barsetto Includes: 1 x Coffee Portafilter