COFFEE MASTERS TRAINING PARTNER - The 51mm bottomless design can help to observe the flow column, flow rate, color, flow column stripes, etc., find the defects and errors before extraction, and better judge the uniformity of extraction, thereby making it more delicious and more consistent Espresso.PERFECT EXTRACTION - This bottomless portafilter for Delonghi ECP31.21 can enhance the cleanliness of the coffee. The coffee liquid extracted by the bottomless handle has more fat and better quality, so you can enjoy the coffee that is immersed in the espresso In the beauty.ENVIRONMENTALLY FRIENDLY AND DURABLE DESIGN - This bottomless portafilter with basket is made of stainless steel, environmentally friendly, non-toxic, more hygienic and safer; has the characteristics of oxidation resistance, corrosion resistance, rust resistance and durability.ERGONOMIC AND DETATCHABLE DESIGN - The handle designed by ergonomics provides comfortable grip and provides stable operation; the detatchable design is convenient and quick to disassemble, easy to use, and easy to clean without dead corners.Detachable design, convenient and quick to disassemble, easy to use, and easy to clean.Colour silver + blackMaterial stainless steelPackage Contents 1 x Coffee Bottomless PortafilterOnly 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 a little different from the real thing. The measurement allowed error is +/- 1-3cm.