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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.
While we do our best to ensure the accuracy of our data, errors can sometimes occur. We recommend reviewing the manufacturer's spec sheet to confirm colors and dimensions.