| Image | Supplier | Item Code | Short Description |
|---|---|---|---|
| | SOUTHWARK METAL MFG CO | SOU AT639 | AT63 9'' AIR-TITE TAKEOFF |
| | SOUTHWARK METAL MFG CO | SOU AT63WD9 | AT63WD 9'' AIR-TITE W/DAMPER |
| | SOUTHWARK METAL MFG CO | SOU AT63WDS29 | AT63WD 9'' W/2'' STANDOFF |
| Size | 9 in |
| Type | Air-Tite Side Square-to-Round |
