Improve your ventilation system by installing this Model 641FA Broan 6 in. Round Duct Aluminum Fresh Air Inlet Wall Cap. It acts as an air inlet and helps minimize airflow loss for effective venting. Included is a built-in bird screen to help keep small animals from entering.
- Compatible with Broan 6 in. round ducts
- Built-in bird screen to help protect your ducts from animal entry
- Aluminum construction provides longevity
- Acts as an air inlet; inlet-to-outlet transition minimizes airflow loss for improved venting
- For any questions regarding product features, installation, or specifications, please call our Technical Services Dept. at 800-637-1453, Monday-Friday, 8:00 am – 7:00 pm EST.








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