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First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 3-Pack

First Alert SMI105-AC, Interconnect Hardwire Smoke Alarm with 10-Year Battery Backup, 3-Pack

  • MSRP: $104.94
  • UPC: 029054022622
Updated May 18th 2026 - 7:01pm EST More info. BrickSeek may receive a small commission for items purchased through links found on our site.

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