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Siterwell Smoke & CO Combo Detector Alarm with Voice Speaker, Dual Sensor Fire and Carbon Monoxide Alarm, Auto-Check, Combination Alarm for Office Kitchen, 10-Year, UL 217 & UL 2034, GS886, 2 Pack -
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Siterlink Smoke Detector Carbon Monoxide Detector Combo with Voice Alert, Dual Sensor Fire and CO Alarm with LED Light and Test Button, Auto Check, Battery Operated, UL 217 & UL 2034 Standards,
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First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup - Combination Smoke Carbon Monoxide Detectors - Amazon.com
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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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Kidde 10-Year Worry Free Smoke & Carbon Monoxide Detector, Lithium Battery Powered with Photoelectric Sensor and Voice Alarm 21030866 - The Home Depot
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First Alert Battery-operated Smart Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
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