Firex i4618 (21007581) AC Smoke Alarm with Battery Back-up and False Alarm Control

Firex 120-1072B AC Smoke Alarm with Battery Back-up and False Alarm Control

Firex 4618 AC Smoke Alarm with Battery Back-up and False Alarm Control (Upgraded to REPL-KIT)

Firex 120-538B AC Smoke Alarm with Battery Back-up and False Alarm Control

Firex i4618A (21007581) AC Smoke Alarm with Battery Back-up and False Alarm Control

Kidde i4618AC Firex Hardwired Smoke Alarm with Battery Backup

Firex 120-1072C AC Smoke Alarm with Battery Back-up and False Alarm Control

Firex 120-1070 AC Smoke Alarm with Battery Back-up and False Alarm Control

Firex 120-1070B AC Smoke Alarm with Battery Back-up and False Alarm Control

Firex i5000 (21007582) 120V AC Direct Wire Smoke Alarm with Alkaline Battery Back-up and False Alarm Control (Upgraded to SMACFEX-20-9003)

Firex 120-1182 AC Smoke Alarm with Battery Back-up and False Alarm Control

Firex FADC AC Smoke Alarm with Battery Back-up and False Alarm Control

Firex ADC AC Smoke Alarm with Battery Back-up and False Alarm Control

Firex 406 AC Smoke Alarm Detector with LED Indicator, 120 Volt

Firex 4518 AC Smoke Detector Alarm with Battery Back-up and False Alarm Control

Firex 6040 Carbon Monoxide Alarm, AC Powered with Battery Back-up (Upgraded to Round Version KN-COB-IC + KA-F)