The Bean Bliss Universal Rubber Blanking Disc is an essential tool for maintaining and cleaning espresso machines. Designed for backflushing, this flexible and durable disc effectively blocks the portafilter, allowing pressure buildup to flush out coffee oils and residue from the group head. Made from high-quality, heat-resistant rubber, it ensures a secure fit and long-lasting performance. Its universal design makes it compatible with most espresso machines, making it a must-have for home baristas, cafés, and professional coffee setups.