The 50MM 57MM ADBlind Filter Backflush Disk Rubber, Color : 51MM, is a backflush disk designed for espresso machines and compatible with brewing head backwashing gaskets. This rubber backflush disk supports common backflush configurations and is built to endure regular maintenance cycles. Key benefits Enables effective backflushing to remove coffee oils and residues from the brewing head, helping to maintain flavor clarity and machine hygiene. Rubber construction provides a reliable seal during backflush cycles, reducing the risk of leaks and improving cleaning efficiency. Versatile sizing for 50 mm and 57 mm backflush applications, supporting compatibility with a range of espresso machine configurations. Helps protect the brewing head and gasket by delivering a clean, consistent seal during backwashing operations. Key attributes Functionality: Blind filter backflush disk designed for backwashing espresso machine brewing heads Compatibility: Made to work with backwashing gasket systems in espresso machines Size: 50MM and 57MM variants in a single rubber backflush disk Material: Rubber Color: 51MM Performance: Durable and resistant to repeated backflush cycles Use cases Routine backflushing maintenance for commercial cafes or home espresso setups to keep the brewing head clean and extract clean flavors. Replacement component during gasket or backflush system maintenance to restore backwashing effectiveness. Postchangeover cleaning after periods of heavy use to prevent buildup and maintain consistent machine performance.