| Catalogue No | Description | Size | Finish |
| 22609 |
Plenum, Top Entry 150mm Spigot
| 150x150mm | Steel |
| 22611 |
Plenum, Top Entry 125mm Spigot
| 200x200mm | Steel |
| 22612 |
Plenum, Top Entry 150mm Spigot
| 200x200mm | Steel |
| 22613 |
Plenum, Top Entry 200mm Spigot
| 200x200mm | Steel |
| 22617 |
Plenum, Top Entry 200mm Spigot
| 250x250mm | Steel |
| 22618 |
Plenum, Top Entry 250mm Spigot
| 250x250mm | Steel |
| 22619 |
Plenum, Top Entry 100mm Spigot
| 300x300mm | Steel |
| 22621 |
Plenum, Top Entry 150mm Spigot
| 300x300mm | Steel |
| 22622 |
Plenum, Top Entry 200mm Spigot
| 300x300mm | Steel |
| 22623 |
Plenum, Top Entry 250mm Spigot
| 300x300mm | Steel |
| 22627 |
Plenum, Top Entry 150mm Spigot
| 450x450mm | Steel |
| 22628 |
Plenum, Top Entry 200mm Spigot
| 450x450mm | Steel |
| 22629 |
Plenum, Top Entry 250mm Spigot
| 450x450mm | Steel |
| 22630 |
Plenum, Top Entry 300mm Spigot
| 450x450mm | Steel |
| 22675 |
Plenum, Top Entry, Multi Spigot 100/125/150mm
| 150x150mm | Plastic |
| 22677 |
Plenum, Top Entry, Multi Spigot 100/150/200mm
| 250x250mm | Plastic |
| 22678 |
Plenum, Top Entry, Multi Spigot 100/150/200mm
| 300x300mm | Plastic |
| 22679 |
Plenum, Top Entry, Multi Spigot 150/200/250mm
| 450x450mm | Plastic |
| 22685 |
Plenum, Top Entry, Multi Spigot 125/200/300mm
| 550x550mm | Plastic |
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