### 5 Ports Total Inlet Design (4 Top + 1 Side) Four vertical top ports plus one oblique side port, support up to five different filaments for multi-color printing upgrade. ### Built-in Quick Push-in Tube Fittings Metal lock ring embedded connector, PTFE tube push&lock tightly, prevent tube popping out during long-time feeding. ### High-strength Wear-resistant Printed Housing Premium modified engineering plastic shell, anti-abrasion & anti-deform under frequent filament friction. ### Complete With Two Matching Mount Screws Package includes 2pcs self-tapping screws for fast locking after old hub removal. ### Clean Multi-channel Routing Optimization Separated inner channel avoids tube bending or filament scratch, reduce feeding blockage risk effectively.