Sunny Supply Co.
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First Alert CO Detector

Best CO alarm

First Alert

First Alert CO Detector

The silent-killer alarm that matters most when generators come out.

$25

Check price at First Alert

Affiliate link — same price to you, supports Sunny.

What we love

  • ✓Battery backup
  • ✓Digital readout

Worth knowing

  • •Replace every ~7 years

The silent-killer alarm that matters most when generators come out.