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Aluminum Fresh Air Inlet Wall Cap for 6" Round Duct with Bird Screen

Model Number: 641FA

The 641FA Aluminum Wall Cap is a robust, easy-to-install fresh air inlet. Compatible with 6" ducting. Not suitable for dryer venting.


  • Built-in bird screen prevents birds and other small animals from entering duct work
  • No backdraft damper
  • Constructed of durable aluminum
  • Easy to install in new construction, replacement, or DIY applications
  • Compatible with 6" round ducting

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