| Mounting | Gable |
|---|---|
| Brand | Unbranded |
| Type | Inline |
| Ventilation System | Exhaust Fan |
| Model | Model 443 |
| Room | Attic |
Check the listing for details. Model 433 Gable Automatic Shutter for Powered Attic Ventilators 16x16 Mill Al.. Condition: New. Listed at 74.99 USD. The Model 433 Gable Automatic Shutter is designed for use with powered attic ventilators. It is an inline type shutter that is mounted on the gable of the attic. The ventilation system is an exhaust fan that is meant to improve the indoor air quality and temperature of the attic.