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First Alert® GC01CN Combo Explosive Gas and Carbon Monoxide Alarm with Digital Display

First Alert CO605 Plug-in Carbon Monoxide Detector with Battery Backup: 9-Volt Alkaline, No Hardwired Installation Needed

First Alert CO400 Battery Powered Carbon Monoxide Detector: 9-Volt CO Alarm, Silences Unwanted Alarms, 7-Year Warranty

First Alert 2pk CO400CN2 Battery Powered Carbon Monoxide Detector: Best CO Detector, 9-Volt Alkaline Battery Included

First Alert CO710 Carbon Monoxide Detector with Digital Temperature Display: 10-Year Warranty, Lithium Battery, White

First Alert Alarm Combo AC/DC with ADP SMICO100-AC: Smoke & Carbon Monoxide Detector, Latching Alarm Indicator, Hardwired

First Alert Alarm Combo DC Slim SMCO210 Clam Tray: Smoke & Carbon Monoxide Detector, Fire Alarm, Lithium Battery, White

First Alert Alarm Combo DC RFID SMCO500V Clam Tray: Smoke & Carbon Monoxide Detector, Battery Included, 10-Year Warranty

First Alert Alarm Combo DC10 with VCE SMCO210V Clam Tray: Smoke & Carbon Monoxide Detector, Fire Alarm, 10-Year Warranty

First Alert® Battery-Powered Carbon Monoxide Alarm with Backlit Digital Display

First Alert® CO3-B01D-T Battery-Operated Carbon Monoxide Alarm with Digital Display

First Alert Hard-Wired w/Battery Back-Up Photoelectric Smoke and Carbon Monoxide Detector 1 each

Kidde 10-Year Battery Powered Smoke and Carbon Monoxide Detector 30CUD10

Kidde AA Battery Powered Smoke and Carbon Monoxide Detector 30CUDR

First Alert SMICO100-AC Interconnect Hardwire Combination Smoke & Carbon Monoxide Alarm with Battery Backup

Kidde 10-Year Battery Powered Smoke and Carbon Monoxide Detector with Voice Alerts 30CUD10-V

Kidde Hardwired Smoke and Carbon Monoxide Detector with AA Battery Back-Up 30CUAR

First Alert® SMCO200V Battery-Operated 2-in-1 Smoke and CO Alarm with Voice and Location Alerts

First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup

First Alert Alarm Smoke DC10 SM210CO400: 10-Year Smoke & Carbon Monoxide Detector, Battery Operated, White, 2-Pack

First Alert® SMICO100 Battery-Operated 2-in-1 Smoke and CO Alarm, Ionization

First Alert® Standard Battery-Operated Smoke Alarm and CO Alarm Value 2 Pack with Models SMI100 and CO400

Kidde Hardwired Smoke and Carbon Monoxide Detector with 10-Year Battery Back-up 30CUA10