Broan 8 Inch Round Duct Wall Cap with Backdraft Damper

The Broan-NuTone® 643 Aluminum Wall Cap is a robust, easy-to-install vent for exhaust fans (range hood, bathroom, rec room, home gym, etc.). This cap provides reliable ventilation and features a back draft damper, preventing outside air from entering the home. Compatible with 8" ducting. Not suitable for dryer venting.

Features:

• Built-in backdraft damper prevents outside air from entering home
• Constructed of durable aluminum
• Easy to install in new construction, replacement, or DIY applications
• Integrated 6" aluminum duct connector
• Compatible with 8" round ducting

Specifications:

• Depth: 9-3/8"
• Height: 13"
• Depth: 9-3/8"
• Duct Size: 8" Round
• Material: Aluminum