| Brand | System Sensor |
|---|---|
| Type | Fire Alarms |
| Model | 2D51 |
| MPN | 2D51 |
| Country/Region of Manufacture | United States |
Check the listing for details. System Sensor #2D51. Duct Smoke Detector Head, Conventional, Photo.. Condition: New. Listed at 93.75 USD. Duct Smoke Detector Head Only. Conventional, Photoelectric. System Sensor #2D51. Never been out of their boxes.