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Carbon Monoxide Alarm, 120V AC, Wire-In, Size: 540" Diameter, 186" Depth, Color: White, Includes: 9V Battery Back-Up - REPLACED BY CAT # CO6W01 (EFFECTIVE 7/1/2026)

Category: AC Operated Carbon Monoxide Detectors

Carbon Monoxide Alarm, 9V Battery Powered Electrochemical Size: 425" Diameter, 16" Depth, Color: White - REPLACED BY CAT # CO6B01 (EFFECTIVE 7/1/2026)

Category: Battery Operated Carbon Monoxide Detectors

Wireless Carbon Monoxide Alarm, (2) AA Battery Operated, Size: 5" Diameter, 2" Depth, Color: White, For Use With First Alert/BRK OneLink Products

Category: Wireless Carbon Monoxide Detectors

120 V Hardwired Carbon Monoxide Alarm with Battery Backup, SoftCue™ Replacement Reminders, LED Indicators Show Alarm Status For Easy Troubleshooting, White

Category: AC Operated Carbon Monoxide Detectors

The First Alert CO605B is a hardwired 120V AC single station carbon monoxide alarm specifically designed for residential applications. This product features an electrochemical CO sensor, end-of-life sensor and silence feature. The end-of-life sensor will cause the alarm to chirp when the unit needs replacing. CO605B can be plugged directly into a standard wall outlet. 9V battery backup included. Meets most codes both state and local, for carbon monoxide alarms. 7-Year Limited Warranty. - REPLACED BY CAT # CO7P01 (EFFECTIVE 7/1/2026)

Category: Plug-In Carbon Monoxide Detectors

Carbon Monoxide Alarms, 9V Battery Operated Electrochemical - REPLACED BY CO7B01 (EFFECTIVE 7/1/2026)

Category: Battery Operated Carbon Monoxide Detectors

Carbon Monoxide & Explosive Gas Alarm, 120V AC, Plug-In, Size: 3.10" High, 5.70" Wide, 2.50" Depth, Color: White, Includes: 9V Battery Back-Up.

Category: Plug-In Carbon Monoxide Detectors

Carbon Monoxide Alarm, 9V Battery Powered, Electrochemical, Size: 4.25" Diameter, 1.6" Depth, Color: White.

Category: Battery Operated Carbon Monoxide Detectors

Battery Smoke and Carbon Monoxide Alarm, Wi-Fi, Bluetooth

Category: Battery Operated Carbon Monoxide Detectors