Part No.:ST-3 Use for Duct Width (Ft.):2 to 4 Index Values:System Sensor, Accessory, Smoke Detector Shipping Weight (Lbs.):1 Usage:DH100, DH400 Vendor:System Sensor Web Description:Duct smoke detector sampling tubes, use for duct width 2 to 4′ Web Search:Duct smoke detector sampling tubes Used to sample duct airflow for models DH100, DH400.

• Model:
• ST-3

Model:System Sensor