First Alert 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
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Pasmpsle 3 In 1 Carbon Monoxide and Smoke Alarm Smoke Fire Sensor Alarm CO Carbon Detector Sound Combo Sensor Tester Battery Operated with Digital Display - Walmart.com
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Kidde 21007624 AC Photoelectric Smoke and Carbon Monoxide Detector Alarm | Hardwired with Battery Backup | Model # KN-COPE-IC - Photoelectric Smoke Detector Carbon Monoxide Hardwired - Amazon.com
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