### Prevents Nozzle Oozing and Dripping The flow blocker seals the inactive nozzle during dual hotend switching, preventing melted filament from leaking or dripping onto your model and print bed . Essential for clean dual color prints. ### Premium Durable Material Made from high strength, heat resistant metal material that maintains stable performance under long term high temperature use . Direct replacement for the original X2D flow blocker. ### Original Specification Replacement Part Manufactured to Bambu Lab's original specifications. The metal plate fits precisely into the flow blocker assembly beneath the toolhead . Use an H1.5 allen key for easy removal and installation. ### Restore Reliable Nozzle Switching If your X2D experiences nozzle switching failures or oozing issues, a deformed or damaged flow blocker is often the cause . Replace it to restore proper sealing and reliable hotend switching . ### Essential Consumable for X2D Maintenance The flow blocker is a wear prone component that should be replaced when damaged . Keep a spare on hand to minimize downtime for your dual nozzle printing operations.