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First Alert BRK SA4121B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm and Silence Button (Upgraded to 9120B)
First Alert BRK SA4121B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm and Silence Button (Upgraded to 9120B)


 

When ordering this, we will upgrade to a current model, a plug-n-play unit. You only need to change the mounting bracket.

Our Price: $16.36

Model: FIRST-ALERT-SA4121B
Qty:

Technical Spec
 
Technical Spec
First Alert BRK SA4121B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm and Silence Button

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