Bottomless portafilter 54mm with puck screen: Bottomless portafilter 54mm Compatible with Breville 870/875/878/880 with filter basket, and 8 series espresso machines Other models, this portafilter 54mm includes a puck screen. Walnut wood handle & ergonomic design: The 54 mm portafilter has an ergonomic and smooth wooden handle for a comfortable and stable grip. The 54mm bottomless portafilter and portafilter head are cast from food-grade stainless steel and hand-polished to a high gloss, making them more hygienic and safer. Detachable design: The 54mm bottomless portafilter can be completely disassembled for thorough cleaning and storage. You can also replace the portafilter with another filter basket. (Note: Do not wash the bottomless portafilter in the dishwasher, as high temperatures will discolor the wood.) Extraction Improvement: Use a bottomless portafilter 54mm to really see the extraction process. You can identify and correct extraction problems. Whether your grind is wrong or you are tamping incorrectly, the bottomless portafilter will let you know. It is a first-class tool for beginners and experts. Great Gift Idea for Home Barista: This bottomless coffee filter is a great gift for owners of many brands of espresso machines, this tool will change the consistency of espresso from any machine.