Our bottomless portafilter is made of 100% natural rosewood and 304 food grade stainless steel, which is known for its exceptional resistance to oxidation, corrosion, rust and durability. The portafilter head and filter basket is cast in stainless steel and hand high polished, and the rosewood handle adopts ergonomic design to comfortable to grip. With our 54mm coffee bottomless porafilter, you can get a perfect and deep extraction of espresso by observing state of coffee liquid outflow and channel brewing. The clear view of the entire extraction process makes it easier to identify any issues with grinding, distribution or tamping etc. That makes you become a professional barista. This coffee products is a perfect espresso machine Replacement parts, compatible with for 54mm /for Sage Barista Series BES880, BES878, BES875, BES870, BES840, BES810, Duo-Temp Pro, Infuser, Bambino Plus, Barista Pro, Barista Express, Barista Touch. Note:The handle is made of 100% natural rosewood, the grain and color slightly per batch,which does not affect use. This product is a great helper to upgrading your coffee brewing experience. Colour:As Shown Material:Metal Package Contents: 1 * stainless steel head 1 * double shot filter basket 1 * rosewood handle 1 * 54mm puck screen 1 * coffee grinder cleaning brush Only the above package content, other products are not included. Note: Light reflection 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.