Fangrui Product Details Our Bottomless Portafilter Is Made Of Natural Rosewood And 304 Food Grade Stainless Steel, Which Is Known For Its Exceptional Resistance To Oxidation, , 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 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 . This Coffee Products Is A Espresso Machine Parts, Compatible With For 54mm /for Sage Series Bes880, Bes878, Bes875, Bes870, Bes840, Bes810, Duo-temp Pro, Infuser, Bambino Plus, Pro, Express, Touch. Note:the Handle Is Made Of Natural Rosewood, The Grain And Color Slightly Per Batch,which Does Not Affect Use. This Produc