Overview Material : Stainless steel AISI304 Food Safe. Brand : verybarista Shape : Cylinder Number of Pieces : 1 Unit Count : 1.0 Count About this item B702TCH28E - Convex bottom, Ridgeless. IMS Competition Series Precision Filter basket. Height-28mm. Fits from 19g to 27g of coffee. Convex bottom design helps water flow. Designed for Bottomless Portafilters Backflush Blind Disk for 58mm E61 Espresso Machines. Food Grade Silicone. Improved design and usability. No need to change the basket to do a quick backflush. New design tightly fits mini tablets and powders. Logo grips into the tablet or powder making it work during whole cleaning cycle. Tablet or powder doesn't get flushed away during first backflush. Compatible with bottomless portafilters for Rocket, Decent, La Marzocco, Gaggia, Rancilio, ECM and other 58mm group head machines. Stainless steel AISI304 Food Safe. Electropolished surface. Made in Italy