Fireplace Accessories Broan

Broan 639 3-1/4 x 10 Inch Duct Wall Cap with Backdraft Damper and Bird Screen The Broan-NuTone® 639 Steel Wall Cap is a robust, easy-to-install vent for exhaust fans (bathroom, range hood, rec room, h more→ome gym, etc.). This cap provides reliable ventilation and features both a back draft damper and 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 3-1/4" x 10" ducting. Not suitable for dryer venting.Features:Spring loaded backdraft damper with padded damper zone reduces chatter in windy conditionsBuilt-in b…

Broan 634 3-1/4 x 10 Inch or up to 8 Inch Round Duct Roof Cap with Backdraft Damper and Bird Screen The Broan-NuTone® 634 Steel Roof Cap is an easy-to-install vent for exhaust fans (range hoods, bathr more→oom, rec room, home gym, etc.). This cap provides reliable roof top ventilation and features both a back draft damper and bird screen, preventing outside air from entering the home and birds or small pests from entering duct work.Compatible with up to 8" ducting and 3-1/4" x 10" ducting. Not suitable for dryer venting.Features:Built-in backdraft damper prevents outside air from entering homeBuilt-in bird screen prevents birds and other small animals from entering duct workConstructed of durable s…