B702TCH26E - Convex bottom, Ridgeless. IMS Competition Series Precision Filter basket. Height-26mm. Fits from 17g to 23g 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 IMS Competition Filter Basket with Convex bottom to concentrate water flow towards the center of the basket. Designed to use with 58mm bottomless portafilters. Ridgeless. 715 holes. Stainless steel AISI304 Food Safe. Electropolished surface. Made in Italy Fits most E61 58mm group head machines, including: Astoria CMA, Bezzera, Brasilia, Casadio, Conti, ECM, Elektra (commercial), Expobar, Faema, Fiorenzato CS, Futurmat, Gaggia (commercial), Grimac, La Marzocco, Nuova Simonelli, La Pavoni (commercial), Rancilio, Rocket, Slayer, Synesso, Vibiemme, Victoria Arduino, Wega, and more.