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First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
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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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Kidde Smoke & Carbon Monoxide Detector with Voice Alerts, Battery Powered, Combination Smoke & CO Alarm - Amazon.com
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Kidde 10-Year Worry Free Smoke & Carbon Monoxide Detector, Lithium Battery Powered with Voice Alarm, 2-Pack 21029621 - The Home Depot
First Alert Hardwired Talking Photoelectric Smoke and Carbon Monoxide (CO) Detector, 2-Pack | Costco
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