BRK Electronics First Alert 7030BSL 120V AC/DC Hardwired Smoke & Carbon Monoxide Alarm with LED Strobe and 10-Year Sealed Lithium Battery Backup (Upgraded to SMCO110LED-AC)

Kidde 1276 120V AC/DC Wire-in ionization Smoke Alarm (Upgraded to SMACFEX-20-9003)

Kidde KN-COB-LCB-A (900-0193) (KN-COB-DP2) (21006137) AC Powered, Plug-In with Battery Backup Electrochemical Sensor Carbon Monoxide Alarm

Kidde KN-COB-B (KN-COB-B-LPM) (9CO5-02) Battery Operated Carbon Monoxide Alarm (Replaced by KN-COB-LP2)

Kidde i9040 (0914 / 0914E) Ionization Sensor Battery Powered Smoke Alarm (Upgraded to 10SDR)

BRK Electronics First Alert FG250B 9V DC Battery Operated Ionization Smoke Alarm (Upgraded to SMI100)

BRK Electronics First Alert CO250B 9V DC Battery Operated Tamper Resistant Electrochemical Carbon Monoxide (CO) Alarm

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)

BRK Electronics First Alert SA350B 10 Year sealed Lithium Battery Powercell Operated Dual Ionization Smoke Alarm (Upgraded to SMI110)

Kidde 0910 (900-0136) (i9010) Sealed Battery Unit Smoke Alarm with Smart Hush (Upgraded to 20SD10)

Kidde KN-COB-LP2 (9CO5-LP2) Battery Operated Carbon Monoxide Alarm

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

BRK Electronics First Alert SA520B 120V AC/DC Wireless OneLink Smoke Alarm Bridge Unit

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

Kidde i9070 (0976) Battery Operated Ionization Smoke Alarm (Upgraded to 20SDR)

BRK Electronics First Alert 9120B6CP 120V AC/DC Hardwired with 9V Battery Backup Ionization Smoke Alarm - Contractor 6-Pack (Upgraded to SMI100-AC)