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    Broan-NuTone® Aluminum Wall Cap for 6" Round Duct with Backdraft Damper and Bird Screen

    Model 641
    Authorized Dealer
    Top Rated Store
    Authorized Dealer

    Broan-NuTone® Aluminum Wall Cap for 6" Round Duct with Backdraft Damper and Bird Screen

    Model 641
    Top Rated Store
    Quick Specs
    Energy
    NO

    Broan-NuTone® Aluminum Wall Cap for 6" Round Duct with Backdraft Damper and Bird Screen is backordered and will ship as soon as it is back in stock.

    Ships Out Within: 2 - 4 Business Days
    Shipping Date By: 07/06/2026
    Regular price $80.49
    Out of stock
    Notify When Restocked

    SERVICES AVAILABLE

    Quick Specs
    Energy Star Rated
    NO
    • Spring loaded backdraft damper with padded damper zone reduces chatter in windy conditions
    • Built-in bird screen prevents birds and other small animals from entering duct work
    • Constructed of durable aluminum
    • Easy to install in new construction, replacement, or DIY applications
    • Compatible with 6" round ducting

    Broan-NuTone® Aluminum Wall Cap for 6" Round Duct with Backdraft Damper and Bird Screen (P) The Broan-NuTone® 641 Aluminum Wall Cap is a robust, easy-to-install vent for exhaust fans (bathroom, range hood, rec room, home gym, etc.). This cap provides reliable ventilation and features both a back draft damper and welded bird screen, preventing outside air from entering the home or birds and small pests from entering duct work. The back draft damper is spring loaded and features a padded damper zone, which reduce noise from wind induced chatter. Compatible with 6" ducting. Not suitable for dryer venting. (/P)

    cUL Listed No
    ETL Listed No
    HVI Certified No
    UL Listing No
    • Spring loaded backdraft damper with padded damper zone reduces chatter in windy conditions
    • Built-in bird screen prevents birds and other small animals from entering duct work
    • Constructed of durable aluminum
    • Easy to install in new construction, replacement, or DIY applications
    • Compatible with 6" round ducting