| Material | : | Metal |
| Width | : | 18 in |
System Sensor® Sampling Tube, Metal, 18 in Width
- The sampling tube may be installed from the front or back of the detector
- The tube locks securely into place and can be removed by releasing the front or rear locking tab
- For use with D4120, D4120W, D4S duct smoke detectors
- 1-2 ft duct width