1?��WITH FILTER BASKET: Coffee portafilter comes with a stainless steel filter basket to help you make a better cup of delicious coffee for most three ear symmetrical coffee machines. 2?��BOTTOMLESS DESIGN: Portafilter helps to observe the flow column, flow rate, color, flow column streaks, etc. to find defects and errors before extraction and better judge the uniformity of extraction, resulting in a tastier and more consistent coffee extraction. 3?��STAINLESS STEEL: Bottomless powder bowl made of stainless steel, environmentally friendly and non toxic, more hygienic and safer, with anti oxidation and durable features. 4?��DETACHABLE: Coffee bottomless portafilter with detachable design, easy and quick to disassemble and install, easy to use and clean without dead ends. 5?��APPLICATION: 3 ears coffee portafilter is widely used in homes, kitchens, offices, coffee shops and other places. It is one of the essential tools for coffee lovers and for making your own coffee.