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BRK First Alert 7030BSL (1038870) Hardwired Photoelectric Smoke & Carbon Alarm with LED Strobe and 10 Year Sealed Battery Backup | Smoke Alert
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First Alert Battery Powered Wireless Interconnected Photoelectric Smoke and Carbon Monoxide Combo Alarm with Voice and Location, SCO500B- (Pack of 3) - Amazon.com
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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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