Automatic Shutter - Model 433
- Allows More Air Movement Than Conventional Stationary Attic Louvers
- Counter-Balanced Aluminum Vanes Open Automatically When Ventilator Is Turned On, Close When Fan Stops
- Flange Fits Flush Against Outside Wall For Neat, Smooth Appearance
- Reinforced For Strength; Provides Weather Tight Closure
Additional Broan Links
This Broan item can also be referenced by the following color/finish specific model #:
- Broan 433
*Discontinued model or finish
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