The Granite Group WWW | 636 Broan-NuTone Steel Roof Cap For 3" or 4" Round Duct With Damper & Bird Screen, Black

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636 Broan-NuTone Steel Roof Cap For 3" or 4" Round Duct With Damper & Bird Screen, Black

Part #BN636

MFG #636

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Manufacturer Name : Broan-Nutone

For 3" or 4" round duct
Built in backdraft damper and bird screen
Steel baked black enamel finish

Install Instructions
Specification Sheet

Select the Broan-NuTone 636 Roof Cap to Provide reliable rooftop ventilation. Features a black enamel finish and is designed for use with 3 in. or 4 in. round ducts. Includes a built-in back-draft damper, and Protective bird screen to prevent small pests from entering duct.