| | Halton PTS/A Inline damper metal 160dia tight shut off | | | |
| | Halton PTS/A Inline damper metal 200dia tight shut off | | | |
| | Halton PTS/A Inline damper metal 250dia tight shut off | | | |
| | Halton PTS/A Inline damper metal 315dia tight shut off | | | |
| | Halton PTS/A Inline damper metal 400dia tight shut off | | | |