BRK Electronics First Alert 9120B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm (Upgraded to SMI100-AC)

First Alert 9120B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm (Upgraded to SMI100-AC)

BRK Electronics First Alert SC9120B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMICO100-AC)

Firex i4618 (21007581) 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)

BRK Electronics First Alert 4120B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm (Upgraded to SMI100-AC)

Kidde i12060 (21006376) 120V AC/DC Wire-in ionization Smoke Alarm with 9V Battery Back Up - Contractor Packaging (Upgraded to SMACFEX-20-9003)

Kidde KN-COSM-IB (21006377N) (KN-COSM-IBA) AC Wire-In with Battery Back-Up Combination Carbon Monoxide & Smoke Alarm with Ionization Sensor (Upgraded to CUACFEX-V + 20-9003)

First Alert SC9120B 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMICO100-AC)

BRK Electronics First Alert 86RAC 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm (Upgraded to SMI100-AC)

Kidde KN-COSM-IBA (900-0114A) (21006377N) AC Wire-In with Battery Back-Up Combination Carbon Monoxide & Smoke Alarm with Ionization Sensor (Upgraded to CUACFEX-V + 20-9003)

Kidde 1275 120V AC/DC Ionization Smoke Alarm (Upgraded to SMACFEX-20-9003)

Kidde i4618AC Firex Hardwired Smoke Alarm with Battery Backup

BRK Electronics First Alert 4120 120V AC Hardwired Ionization Smoke Alarm (Upgraded to SMI100-AC)

Kidde KN-COSM-IB (900-0114A) (KN-COSM-IBA) (21006377N) AC Wire-In with Battery Back-Up Combination Carbon Monoxide & Smoke Alarm with Ionization Sensor (Upgraded to CUACFEX-V + 20-9003)

Kidde i12040 (21006378) 120V AC/DC Wire-In Ionization Smoke Alarm with 9V Battery Back Up (Upgraded to SMACFEX-20-9003)