External Wall Duct Terminals
| Code | Description |
|---|---|
| (Boxed) 905B | Outlet - Airbrick - Double - Brown |
| (Boxed) 905C | Outlet - Airbrick - Double - Cotswold |
| (Boxed) 905T | Outlet - Airbrick - Double - Terracotta |
| (Boxed) 905W | Outlet - Airbrick - Double - White |
| 977 (Boxed) | Duct - Adapter - Straight - Rectangular-Rectangular |
