Restore the safety and precision of your daily cleaning routine with the OEM La Marzocco KB90 Backflush Insert (Part # F.3.131). If you’ve been asking, "how to safely clean my La Marzocco KB90 group head" or struggling with older blind filters that cause messy and dangerous hot water splashback, this dedicated insert is the solution. Engineered specifically for the revolutionary KB90 straight-in portafilter system, this component is essential for performing a proper backflush cycle, which is critical for removing stale coffee oils and grounds buildup from the brew group. This part ensures that, as the backflush ends, water drains safely through the basket hole, effectively solving the common "problem of hot water spray during backflush" and maximizing barista safety. The KB90 Backflush Insert is built to the exacting specifications of La Marzocco, guaranteeing a perfect fit and reliable performance within your machine’s portafilter. Designed for use in high-volume commercial cafes, this durable component prevents wear and tear on your internal seals and allows your KB90 to maintain its pristine condition and optimal pressure stability. Regular backflushing with the correct insert is the mandatory maintenance step that will "extend the life of my KB90 espresso machine." We recommend pairing this insert with Joe Glo Backflush Detergent to thoroughly eliminate residue and ensure the longevity of your commercial equipment. Installation is simple: replace your standard filter basket with the F.3.131 Backflush Insert, dose the appropriate cleaning solution, and run your machine’s programmed backflush cycle (or run five seconds on and five seconds off ten times). By using the genuine KB90 Backflush Insert, you not only improve safety and cleanliness but also ensure consistent shot quality by guaranteeing that no residual oils contaminate the next espresso extraction. Don't compromise your workflow or barista safety—upgrade to the specific backflush solution designed for your La Marzocco KB90 today.