HIGH VELOCITY CONE BACK-DRAFT DAMPER   - in stock - 

   ( see notes below )

NOTES :

-For paint shop exhaust or other similar applications. Designed for diluting exhaust fumes and to prevent rain and cold air from getting inside when fan is off.
Click here for typical installation details.

- SE small end = standard
- standard dimensions
- galvanized standard gauge as per SMACNA.
- Other dimensions, and thickness available on demand.

Specify: - duct diameter A

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