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)

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

Firex 120-557B AC Smoke Alarm with Battery Back-up and False Alarm Control

BRK Electronics First Alert SC6120B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMICO100-AC)

BRK Electronics First Alert 2002RAC 120V AC/DC Hardwired with 9V Battery Backup Photoelectric Smoke Alarm (Upgraded to SM100V-AC)

Firex 120-557C AC Smoke Alarm with Battery Back-up and False Alarm Control

Firex 10000 Carbon Monoxide Detector Direct Wire with Battery Back-up (AC/DC) (Upgraded to KN-COB-IC + KA-F)

Firex FX1106 AC Smoke Alarm Detector with LED Indicator, 120 Volt

First Alert BRK SA4121B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm and Silence Button (Upgraded to SMI100-AC)

BRK Electronics First Alert 100S 120V AC Hardwired Ionization Smoke Alarm with Strobe Light for Hearing Impaired (Upgraded to SM110LED-AC)

First Alert BRK SA100B 120V AC Hardwired Ionization Smoke Alarm with Strobe Light for Hearing Impaired (Upgraded to SM110LED-AC)

Firex 428 AC Smoke Alarm Detector with LED Indicator, 120 Volt

Firex 120-1056E AC Smoke Alarm with Battery Back-up and False Alarm Control