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White, oval-shaped carbon monoxide detector with a test/silence button in the center and vents on the left side, labeled 'First Alert.'

First Alert Carbon Monoxide Detector $15

This First Alert Battery-Operated Carbon Monoxide (CO) Detector, originally listed at $17.39, drops to $14.99 at Amazon. Shipping is free for Prime members, orders over $35, or when you sign up for a Prime free trial. Otherwise, it adds $6.99. Other retailers are charging over $20 before shipping fees! This unit is powered by an included 9V battery so you can install it anywhere without wiring.

Posted by Tom K. 5+ days ago
$14.99
$17.39
Save 13%
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