Broan-NuTone® 634B

The Broan® 634 Steel Roof Cap is an easy-to-install vent for exhaust fans (range hoods, bathroom, rec room, home gym, etc.). This cap provides reliable roof top ventilation and features both a back draft damper and bird screen, preventing outside air from entering the home and birds or small pests from entering duct work. Compatible with up to 8" ducting and 3-1/4" x 10" ducting. Not suitable for dryer venting.

Broan-NuTone® Roof Cap, 18-3/4 in Length, 14-1/4 in Width, 24 ga, For Use With: 3-1/4 x 10 in or Upto 8 in Round Duct, Cold Rolled Steel, Electrically Bonded Epoxy Coated, Black, Import

• Built-in backdraft damper and bird screen keep out unwanted outside air and critters
• Steel baked black enamel finish for durability and long life that stands up to the elements (not for use with dryers)
• Fits 3-1/4 x 10 in or up to 8 in round duct for versatility
• Made of 24 ga CRCQ steel

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