Broan-NuTone® 634M Steel Roof Cap for 6-Inch Round Duct with Backdraft Damper and Bird Screen, Black Bluetooth 60 Hertz: 60 NEMA Frame:

60 Hertz: 60 NEMA Frame: C-Frame Overall Length (In

Weight:  3

Closure Type: Fold Out

Wireless Range: Up to 200 meters (656 feet) line of sight

chip-free cuts that require virtually no rework

Broan-NuTone® 634M Steel Roof Cap for 6-Inch Round Duct with Backdraft Damper and Bird Screen, Black Bluetooth 60 Hertz: 60 NEMA Frame:Broan NuTone 634M Steel Roof Cap for 6 Inch Round Duct with Backdraft Damper and Bird Screen, Black The attractive Broan 634M roof cap is the perfect finish for your ventilation system. The built in back draft damper eliminates cold air from entering the home. The bird screen stops unwanted visitors from gaining entry. Specifications INSTRUCTIONS