The 51 mm compatibility 】 【 two ear handle for Delonghi ECP3420 / an EC155 / BCO430 / EC260 2 ears, such as the coffee machine. 【 Included Filter basket 】 The stainless steel 51mm filter basket is included and is compatible with Delonghi's stock 51mm filter basket [Extraction improvement] Bottomless design can help to observe the flow column, flow rate, color, flow column streaks, etc., find defects and errors before extraction, and better judge the uniformity of extraction, thus making it more delicious and more consistent espresso [304 food-grade stainless steel] Bottomless handle is made of food-grade stainless steel, environmental protection, non-toxic, more sanitary, more safe, with anti-oxidation, anti-corrosion, anti-rust, durable characteristics [Detachable and easy to clean] - Detachable design Easy to disassemble, easy to use, easy to clean, no dead corners.