BRK First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack
https://www.amazon.com/dp/B00O8MVW3U?tag=dmflip-20&linkCode=ogi&th=1&psc=1
BRK First Alert 9120BFF/ SMI100-AC Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack
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