Bellmouths
- Provides a smooth finish to duct ends
 - Prevents duct from pushing into the chamber
 
| Size (mm) | Material | Colour | 
| 54mm | Polypropylene | |
| 96mm | Polypropylene | |
| 110mm | Polypropylene | |
| 178mm | Polypropylene | 
| Size (mm) | Material | Colour | 
| 54mm | Polypropylene | |
| 96mm | Polypropylene | |
| 110mm | Polypropylene | |
| 178mm | Polypropylene |