Broan 639 Wall Cap Duct, 3-1/4" x 10", Black

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Spring loaded backdraft damper. Steel baked black enamel with electrically bonded finish. Built-in bird screen.
SKU: 42700641
MFG: 639
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  • Steel baked black enamel with electrically bonded finish
  • Size: 3-1/4" x 10"
  • Spring loaded backdraft damper
  • Built-in bird screen
  • 24 gauge CRCQ steel


MFR: 639
SKU: 42700641
UPC: 026715002641
Brand: Broan