First Alert BRK SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm with Battery Backup

$33.98 From $92.99

  • Superior combination carbon monoxide sensor and ionization smoke alarm
  • Inter-connectable with BRK and First Alert hardwired smoke and carbon monoxide alarms
  • Easy to install universal mount bracket
  • Simple to use silence/test button; separate smoke and CO latching alarm indicators
  • 9-volt battery included; 7-year limited warranty
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