Best Co Smoke Detector Combo

First Alert CO615A Carbon Monoxide Plug-In Alarm with Battery Backup and Digital Display

Kidde Smoke Detector, Hardwired with Battery Backup & Interconnect, Battery Included

Combination Smoke and Carbon Monoxide Detector Alarm, 2-Pack Beeps Warning Smoke and CO Alarms for Basements Travel Home Office House Bedroom Living Room Car, Battery Operated, Comply with UL 217/2034

First Alert Battery Operated Smoke and Carbon Monoxide Alarm, White, PRC700A-6

FIRST ALERT Smoke and CO Alarm, SC7010BA, White

Kidde I12040CA 120V AC (Hardwired) Ionization Smoke Alarm with 9V Battery Backup and Hush Button, White

First Alert Battery Operated Wireless Interconnect Smoke and Carbon Monoxide Alarm

First Alert SC9120BA Hardwire Combination Carbon Monoxide and Smoke Alarm

First Alert CO400A Battery Powered Carbon Monoxide Alarm

Carbon Monoxide Detector,CO Alarm Detector with Digital Display and Sound Alarm for Home 2pcs