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Plug-in Natural Gas Detector , Propane Detector and Carbon Monoxide Detector

First Alert Plug-in Natural Gas Detector , Propane Detector and Carbon Monoxide Detector

4.4
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25 Questions
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Does this carbon monoxide detector have a life span? I’ve replaced the battery and it keeps chirping. It’s approximately 25 years old.


Thank you for your question. This unit comes with a 10 yr warranty.

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