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240v Hardwired Photoelectric Smoke Alarm with Interconnected RF Module, 10 Year Battery - Photoelectric Smoke Alarms
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SITERLINK Smoke Detectors Battery Operated, Smoke Alarm with Test-Silence Button, Photoelectric Sensor Fire Alarms Smoke Detectors with LED Lights, UL Listed Fire Alarm for House, GS528A, 1 Pack - Amazon.com
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