【Product Information】There are two espresso puck screens in package.Diameter: 53.5mm,Thickness: 1.7mm,Weight: 10g,Mesh filtration holes:150μm. 【Good Helper For Brewing Espresso】This breville puck screen is constructed of stainless steel mesh layer of 150μm,which can effectively prevent the occurrence of channeling and splashing.Compared with paper filter, the extraction is smoother, more uniform and more balanced. 【Food-Grade Stainless Steel】This punk screen is made of 316 food grade stainless steel.Corrosion-resistant, safe and durable. You can buy with confidence. 【Compatible with Multiple Models】This espresso metal filter is compatible with 54mm portafilter baskets，such as Breville Barista Impress/Breville Barista Express/ Breville Barista Pro/Breville Barista Touch/Breville Bambino/Sage Barista Express/sage Barista Impress/Sage Bambino.etc. 【Easy To Clean】After using this coffee puck,all you have to do is it under the tap, remove the internal residue, dry it and reuse it.Please contact us in time if you have any problems in use.