58mm Backflushing Blind Disc / Blank Filter – Essential Espresso Machine Cleaning Tool. This backflushing blank (also known as a blind disc or blind filter) is an essential tool for maintaining and cleaning espresso machines.
Backwash Disc for Espresso Portafilter Backflushing 50mm 57mm Rubber Design
Sage/Breville Cleaning Disc Blanking Plate For 58mm Portafilter
Rubber Espresso Backwash Disc Fits Standard Portafilter Sizes 50mm to 58mm
Rubber Backwash Disc for Espresso Machines Use with 50mm 53.5mm 54mm 57mm 58mm
Rubber Espresso Backwash Disc Compatible with 50mm 53.5mm 54mm 57mm 58mm
