[The bottomless portafilter includes a filter basket and a dosing ring] The 54mm bottomless portafilter is designed to work with the Breville and Sage Barista series, including BES880, BES878, BES870, BES840, BES810, BES500, Barista Express, Barista Press, for Breville Barista Pro, Infuser, Duo Temp pro. Fine hole design, filters coffee powder evenly, easy to use. With the coffee dosing funnel, all the coffee ends up in the filter basket, reducing mess. [Ergonomic and movable design] Wooden handle with ergonomic design, making the grip more comfortable and stable. Detachable design, disassembly and assembly are convenient and quick. The inclination of the stainless steel allows the handle to be placed more easily and does not tilt to the sides. We do not recommend washing in the dishwasher; the high temperature will discolor the handle. [Coffee Masters Training Partner] The bottomless filter allows you to find and correct extraction problems. Whether your grind is poor or your tamping is incorrect, the bottomless filter will let you know. It is an excellent tool for both beginners and experts. You can see that when everything goes perfectly, the golden espresso has spots of tiger stripes, and if the extraction is unsuccessful, there will be channeling effects, golden flow splash state, multiple flow columns. [Environmentally friendly material] Our bottomless filter holders are made of environmentally friendly and odorless materials. Stainless steel material is more hygienic and safer, with the benefits of oxidation resistance and corrosion resistance. All handles are made of 100% natural wood, pressed smooth and with a clear surface texture. Color: silver + wood Material: wood + alloy Size: 54mm Package contents: 1 x Bottomless filter holder 1 x Filter basket Only the above package content, other products are not included. Note: Due to light shooting and different displays, the color of the item in the picture may differ slightly from the real one. The allowed measurement error is +/- 1-3 cm.