CO & Smoke Combination Alarms
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Gentex Hardwired Interconnected Photoelectric Smoke and CO Alarm with Dualink, Battery Backup and Relay Contacts - GN-503F
$54.85 -
UniversalSecurityInstruments Hardwired Relay Module for Smoke and Fire Alarms - USI-960
$14.64 -
UniversalSecurityInstruments 120-Volt Hardwired Smoke Alarm and Strobe Light Kit - USI-2413
$74.71 -
UniversalSecurityInstruments Battery Combination Smoke Sensing Smoke and Fire Smart Alarm - MDSK300S
$21.82