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 4919 120V AC Hardwired Ionization Smoke Alarm (Replaced by BRK SMI100-AC)

BRK Electronics First Alert 7010BSL 120V AC/DC Hardwired with Two AAA Battery Backup Photoelectric Smoke Alarm with Integrated Strobe Light (Upgraded to SM110LED-AC)

BRK Electronics First Alert 7020BSL 120V AC/DC Hardwired Photoelectric Smoke Alarm with Integrated Strobe Light and 10-Year Sealed Battery Back Up (Upgraded to SM110LED-AC)

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

Kidde KN-COB-IC (900-0120) (21006406) AC Wire-In Carbon Monoxide Alarm w/ Alkaline Battery Back-up

BRK Electronics First Alert 7010B 120V AC/DC Hardwired with 9V Battery Backup Photoelectric Smoke Alarm (Upgraded to SM100V-AC)

Kidde PE120 (P12040) (21006371) 120V Photoelectric Wire-in Smoke Alarm (Upgraded to SMACFEX-20-9003)

BRK Electronics First Alert CO5120BN 120V AC/DC Hardwired with 9V Battery Backup Electrochemical Carbon Monoxide (CO) Alarm

BRK Electronics First Alert 9120LBL 120V AC/DC Hardwired with Lithium Battery Back Up and Locked Battery Drawer Ionization Smoke Alarm (Upgraded to SMI105-AC)

Kidde PI2010 (PI2000) (21007915) 120V Dual Ionization and Photoelectric Wire-in Smoke Alarm

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

Kidde KN-COPP-3 (900-0076) (21005294) AC Powered, Plug-In Carbon Monoxide Alarm

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

Kidde KN-COB-DP2 (21025761) (900-0263) Carbon Monoxide Detector, AC Plug-In with Battery Back-Up