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Gentex 303 Photoelectric Smoke Alarm, Smoke Detectors, Fire Extinguishers, Smoke and CO Detectors, Brickyard Fire Protection
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Gentex 918-0021-002, Model: GN-503FF is a 120VAC/9VDC single or multiple station combination photoelectric smoke/electrochemical carbon monoxide alarm with tandem interconnect capabilities and dual, independent relays that activate independently for smo
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Gentex Part # 7139CS-W - Gentex Hardwired Interconnected Photoelectric Smoke Alarm, Wall Mount, Ada Strobe With Battery Backup - Smoke Detectors - Home Depot Pro
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