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Kidde Firex Hardwired Combination Smoke and Carbon Monoxide Detector with Voice Alarm and Front Load Battery Door (2-Pack) 21007624 - The Home Depot
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Hardwired Interconnected Combination Smoke and Carbon Monoxide Detector, Siterlink Smoke Detector Carbon Monoxide Detector Combo, Hardwired Smoke & CO Alarm, Replaceable Battery, Test/Silence Button - Amazon.com
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First Alert SCO7CN Battery Operated Talking Combination Smoke and Carbon Monoxide Alarm | First Alert
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First Alert Battery Powered SCO500B Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location - Combination Smoke Carbon Monoxide Detectors - Amazon.com
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PROSiXCOMBO - Resideo Honeywell Home Wireless Combo Smoke/Carbon Monoxide Detector (for ProSeries Control Panels)
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PROSiXSMOKEV - Resideo Honeywell Home Wireless Combo Smoke/Heat Detector (for ProSeries Control Panels)
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