USD31.95
USD76.95
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Ships within 48 hours · Estimated delivery Nov 12 - Nov 17
BRK Hard Wired w Battery Back up Ionization Smoke Detector 9 98 997 43 an NSF listed 10 00 001 2860 an NSF listed All internal parts including the air valve are rounded to prevent piercing of the diaphragm in extreme conditions Plus interconnect compatible alarms to create a whole home alarm system to help provide an early warning The First Alert SMI100 AC Hardwire Interconnect Smoke Alarm with Battery Backup meets new industry standards utilizing First Alert's Precision Detection advanced sensing technology
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