| Part | Description | Colors |
|---|---|---|
| 4640 | 1-1/8in Impact Vent Long | Black |
| 4641 | 1-1/8in Impact Vent Short | Black |
| 4605 | 1in ID Impact Vent | Black |
| 4605W | 1in ID Impact Vent | White |
| 4616 | 2in ID Impact Vent | Black |
| 4616W | 2in ID Impact Vent | White |
| 4615 | 2in ID Impact Vent w/Screw Holes | Black |
| 4615W | 2in ID Impact Vent w/Screw Holes | White |