Key benefits Efficient backflushing for espresso machines: the rubber blind filter creates a sealed path for cleaning solution and oils, helping to remove residue and maintain group head performance. Durable, longlasting material: quality rubber construction resists wear and provides reliable sealing over time. Easy to use and install: simply insert in the blind position of the filter basket during backflushing. Compatibility: designed for machines that support blind backflush disks. Essential maintenance accessory: reusable disk that supports regular cleaning and maintenance of your espresso machine. What you get and how it works Material: quality rubber for durability and effective sealing. Function: blind filter backflush disk for backflushing routines. Design note: intended for use with machines that support blind backflush discs. Usage scenarios Daily maintenance: use during routine backflushing to keep the group head clean and maintain consistent performance. Deep cleaning: pair with cleaning solutions to remove builtup oils and crema residues during periodic maintenance. Maintenance and replacement: use when servicing or replacing worn components to ensure effective backflush operation. Specifications Material: rubber Function: blind filter backflush disk for espresso machines Compatibility: suitable for machines that support blind backflush disks This disk provides a straightforward, reusable solution for maintaining espresso machine cleanliness and performance without unnecessary complexity.