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)

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

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)

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 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 KN-COPE-I (21007624) (KN-COPE-IC) AC Wire-In with Battery Back-Up Combination Carbon Monoxide & Smoke Alarm with Photoelectric Sensor (Upgraded to CUACFEX-V + 20-9003)

Kidde i12010SCO (21010408N) Worry Free 10 Year Sealed Lithium 120V AC Wire in with Battery Back up Combination Smoke and Carbon Monoxide CO Alarm (Upgraded to CUAC10YFEX-V + 20-9003)

BRK Electronics First Alert SCO2B 9V Alkaline Battery Operated Ionization Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMICO100)

BRK Electronics First Alert SC9120LBL 120V AC/DC Hardwired with Lithium Battery Back Up and Locked Battery Drawer Ionization Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMICO105-AC)

Kidde KN-COSM-B (900-0102) (KN-COSM-BA) (21005296) Battery Operated Combination Carbon Monoxide & Smoke Alarm - Contractor Packaging (Upgraded to 30CUDR-V)

Kidde KN-COSM-BA (900-0102A) Battery Operated Combination Carbon Monoxide & Smoke Alarm - Contractor Packaging (Upgraded to 30CUDR-V)

BRK Electronics First Alert SC7010B 120V AC/DC Hardwired with 2 AA Batteries Backup Photoelectric Smoke Alarm and Carbon Monoxide Combo Alarm (Upgraded to SMCO100V-AC)

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 SC7010BV 120V AC/DC Hardwired with 2 AA Batteries Backup Photoelectric Smoke Alarm and Carbon Monoxide Combo Alarm with Voice (Upgraded to SMCO100V-AC)

Kidde 900-0102 (KN-COSM-BA) Battery Operated Combination Smoke & Co Alarm with Voice Alarm Indicator - Contractor Packaging (Upgraded to 30CUDR-V)

Kidde KN-COSM-XTR-BA (900-0216A) (21008700) Intelligent Alarm, Battery Operated Combination Carbon Monoxide, Fire and Smoke Alarm (Upgraded to 30CUDR-V)