1、This bottomless portafilter is perfectly compatible with Delonghi coffee machines. Lightweight and compact to use, simple appearance, suitable for use at home or in the office, or a nice gift for coffee lovers. 2、The bottomless design can help to observe the flow column, flow speed, color, flow column stripe, etc., find the defects and errors before extraction, and better judge the uniformity of extraction, making you more delicious and more consistent coffee. 3、This bottomless portafilter can improve the cleanliness of coffee. The coffee liquid extracted by the bottomless handle has more fat and better quality. 4、This bottomless portafilter is made of food grade stainless steel, environmentally friendly, non-toxic, more hygienic and safe, has the characteristics of oxidation resistance, corrosion resistance, rust resistance and durability. 5、The ergonomically designed wooden handle provides a comfortable grip and provides stable operation, the removable design is convenient and quick to disassemble, easy to use and easy to clean without dead corners.