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This Product is Discontinued
Broan
Pressure Relief Damper, Wall Cap, 4" (Discontinued)
Mfr # BD4
Zoro # G1107239
This Product is Discontinued
Key Features
- Material 30 ga. Galvanized Steel
- Fits Duct Size (In.) 4"
- For Use With BROAN Energy Recovery Ventilating Products
- Includes Built-in Backdraft Damper and Bird Screen, "Fresh Air Inlet" label
- Screen Yes