![](https://s3images.coroflot.com/user_files/individual_files/250171_5UeO0kX1kz9P3npQ9J80Jxxhr.jpg)
Firex Duct Detector Cross Reference Chart
![](https://s3images.coroflot.com/user_files/individual_files/250171_S5kaAxGnUSZc23MmDlaDksXvF.jpg)
Robertshaw Cross Reference Chart
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