Excellent quality heavy duty "Nairn" brand Australian made nylon inspection ports with rubber "O" ring lid seals.
Most ports are available black or white - with clear, white or black lids.
| PART NUMBER | MODEL |
|---|---|
| RWB-4100 | All Black |
| RWB-4101 | All White |
| RWB-4102 | Black with Clear Lid |
| RWB-4103 | White with Clear Lid |
