Broan-NuTone® Wall Cap, Aluminum, for 3-Inch and 4-Inch round duct


Usually Ships in 1-2 Business Days



The Broan-NuTone® 885AL Aluminum Wall Cap is a robust, easy-to-install vent for exhaust fans (bathroom, 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 and birds or 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 3" and 4" ducting. Includes 4"-3" reducer. Not suitable for dryer venting.
  • Spring loaded backdraft damper with padded damper zone reduces chatter in windy conditions
  • Welded 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
  • 4" to 3" reducer included
  • Integrated 5" aluminum duct connector
  • Compatible with 3" and 4" round ducting