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First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector

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19,399 reviews covering 53 products for the category Smoke & Carbon Monoxide Alarms

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About First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector
88% found it easy to install
I found the installation process of the smoke-carbon-monoxide-alarms easy enough using the existing wiring.

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