Broan-NuTone® 634M Steel Roof Cap for 6-Inch Round Duct with Backdraft Damper and Bird Screen, Black Bluetooth Install the iWave-V in the

Install the iWave-V in the airflow after the return filter

chip-free cuts that require virtually no rework

SDS-Plus 2-Cutter Carbide-Tipped Hammer Drill Bit

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

Data Logging: No

Broan-NuTone® 634M Steel Roof Cap for 6-Inch Round Duct with Backdraft Damper and Bird Screen, Black Bluetooth Install the iWave-V in theBroan 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