First Alert #SC9120B Carbon Monoxide/Smoke Detector combination unit that detects both smoke and carbon monoxide it is 120 volt wired in, and has a battery back up in case of power failures

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Available Through:

 
USA: DFW Motel Supply & Textiles Inc.
California – 888-605-9101
New Jersey – 800-752-6829
Texas – 800-962-3366

USA: AMTEX www.myamtex.com