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First Alert Brk Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
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First Alert BRK 7010B Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup, White & 9120B Hardwired Smoke Detector Alarm, 1 Pack, White - - Amazon.com
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