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First Alert Wireless Interconnect Talking Battery Operated Smoke & Carbon Monoxide Alarm 1039839 from First Alert - Acme Tools
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First Alert Battery-Operated Carbon Monoxide Detector in the Carbon Monoxide Detectors department at Lowes.com
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First Alert Hardwired Talking Photoelectric Smoke and Carbon Monoxide (CO) Detector, 2-Pack | Costco
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