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First Alert 2 Pack Combo Co400

First Alert 2 Pack Combo Co400

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  • First Alert Carbon Monoxide Alarm 1039718 CO400-3 - NEW
    10.00
    eBay

    First Alert Carbon Monoxide Alarm 1039718 CO400-3 - NEW

    Delivery date & cost shown at checkout

  • FIRST ALERT Battery Powered Carbon Monoxide Alarm - Sealed - BRAND NEW
    12.89
    eBay

    FIRST ALERT Battery Powered Carbon Monoxide Alarm - Sealed - BRAND NEW

    Delivery date & cost shown at checkout

  • First Alert Battery Powered Carbon Monoxide Alarm
    12.99
    eBay

    First Alert Battery Powered Carbon Monoxide Alarm

    Delivery date & cost shown at checkout

  • First Alert CO400 Carbon Monoxide Alarm Detector
    14.40
    eBay

    First Alert CO400 Carbon Monoxide Alarm Detector

    Delivery date & cost shown at checkout

  • First Alert CO400 Carbon Monoxide Alarm Detector
    16.00
    eBay

    First Alert CO400 Carbon Monoxide Alarm Detector

    Delivery date & cost shown at checkout

  • First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack
    17.99
    eBay

    First Alert CO400 Carbon Monoxide (CO) Detector, Battery Operated Alarm, 1-Pack

    Free delivery by Fri, Nov 29

  • First Alert CO400 Carbon Monoxide Alarm Detector
    19.86
    eBay

    First Alert CO400 Carbon Monoxide Alarm Detector

    Delivery date & cost shown at checkout

  • 2 Pack First Alert Battery Electrochemica<wbr/>l Carbon Monoxide Alarm New
    19.95
    eBay

    2 Pack First Alert Battery Electrochemical Carbon Monoxide Alarm New

    Delivery date & cost shown at checkout

  • 2 Pack FIRST ALERT Carbon Monoxide Alarms Model 1039741, 9V Batteries Included
    22.00
    eBay

    2 Pack FIRST ALERT Carbon Monoxide Alarms Model 1039741, 9V Batteries Included

    Delivery date & cost shown at checkout

  • First Alert 1039741 Battery Electrochemica<wbr/>l Carbon Monoxide Alarm
    53.52
    eBay

    First Alert 1039741 Battery Electrochemical Carbon Monoxide Alarm

    Delivery date & cost shown at checkout

  • First Alert Battery Electrochemical Carbon Monoxide Alarm
    18.00
    Mercari

    First Alert Battery Electrochemical Carbon Monoxide Alarm

    $7.99 delivery

  • First Alert Battery Electrochemical Carbon Monoxide Alarm
    20.00
    Mercari

    First Alert Battery Electrochemical Carbon Monoxide Alarm

    Delivery date & cost shown at checkout

  • First Alert Carbon Monoxide Alarm
    21.99
    Kroger

    First Alert Carbon Monoxide Alarm

    Free 30-day returnsContact for availability 3.4 mi

  • First Alert Battery Carbon Monoxide Alarm
    21.99
    Kroger

    First Alert Battery Carbon Monoxide Alarm

    Free 30-day returnsIn store nearby 18.9 mi

  • First Alert Battery Powered Carbon Monoxide Alarm
    24.59
    Hardware and Tools

    First Alert Battery Powered Carbon Monoxide Alarm

    Delivery date & cost shown at checkout

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Product Details

Works during power outages. No installation required. Place or mount almost anywhere. Mute/test button to quiet unnecessary alarms, test alarm function. 85-decibel alarm, low battery warning. Low battery mute quiets low battery signal for up to 8 hours. Front-open compartment ...MoreWorks during power outages. No installation required. Place or mount almost anywhere. Mute/test button to quiet unnecessary alarms, test alarm function. 85-decibel alarm, low battery warning. Low battery mute quiets low battery signal for up to 8 hours. Front-open compartment allows battery change without taking alarm down. Electrochemical sensor is the most accurate technology available for detecting carbon monoxide. End of life timer alarm chirps when it is time to replace the alarm. Meets UL2034 standard. Uses 9 volt battery, included.Less

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