SU Flush Post Office Telephone Architrave Boards
| CODE | DESCRIPTION | OVERALL SIZE |
| SUPF0 | SU0 Flush Post Office Telephone Board | 380 X 380 |
| SUPF1 | SU1 Flush Post Office Telephone Board | 380 X 535 |
| SUPF2 | SU2 Flush Post Office Telephone Board | 590 X 480 |
| SUPF3 | SU3 Flush Post Office Telephone Board | 800 X 480 |
| SUPF4 | SU4 Flush Post Office Telephone Board | 800 X 560 |
| SUPF5 | SU5 Flush Post Office Telephone Board | 800 X 635 |
| SUPF6 | SU6 Flush Post Office Telephone Board | 800 X 950 |
| SUPF7 | SU7 Flush Post Office Telephone Board | 800 X 1055 |