Broan Model 509S includes a built-in on/off rotary switch (no wall switch to wire).
- 180 CFM 6.5 Sones.
- Specially designed polymeric fan blade.
- Housing adjusts to fit walls from 4-1/2" to 9-1/2" thick.
- Permanently lubricated motor with "twist-lock" installation.
- Built-in damper minimizes backdrafts.
- 11-1/2" square plastic grille