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or any plaster cover with mounting holes on 2 3/4″ (70 mm) centers
1 to 99 on MS-9200UDLS
Red (Replaced by P2RLED-BP10)
Notifier SBB-400 Back Box Black
First Alert BRK CO400 Basic Battery Operated Carbon Monoxide Alarm (1039718) VSP-005 or any plaster cover withFirst Alert BRK CO400 Basic Battery Operated Carbon Monoxide Alarm (1039718) The First Alert CO400 Carbon Monoxide Alarm utilizes an electrochemical carbon monoxide sensor that lasts for up to five years to detect carbon monoxide. This carbon monoxide detector is battery powered, making it portable and easy to use anywhere, even in the event of a power outage. When carbon monoxide levels become elevated, a loud 85 decibel alarm alerts you to the