First Alert Battery-Operated Carbon Monoxide Detector Item #11778 | Model #384210 Fiberglass mesh is thin and

Fiberglass mesh is thin and easy to conceal while providing increased crack resistance

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Off the shelf replacement LED bulbs are not recommended for range hoods designed for use with incandescent or halogen bulbs

Non-Vented design for use without air ducts

Each AAA battery is made for dependable performance

First Alert Battery-Operated Carbon Monoxide Detector Item #11778 | Model #384210 Fiberglass mesh is thin andThe battery powered carbon monoxide detector means your space can be monitored for dangerous carbon monoxide. Simply insert the included 9 volt battery and the carbon monoxide detector is ready to go. When CO levels become elevated, a loud 85 decibel alarm alerts you to the threat. Designed to be simple to use, the CO detector has just one button that silences or tests the unit, as well as an end of life timer that lets you know when it is time to