Best First Alert Carbon Monoxide Detectors

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

First Alert SC9120A Hardwire Smoke & Carbon Monoxide Alarm

FIRST ALERT Smoke and CO Alarm, SC7010BA, White

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

First Alert Battery Operated Wireless Interconnect Smoke and Carbon Monoxide Alarm

DYWL SECURITY Carbon Monoxide Detectors Portable Carbon Monoxide Detector for Travel Carbon Monoxide Detector Plug in Wall with LED Digital Display Voice Light Plug and Play - 2Pack

First Alert SC9120BA Hardwire Combination Carbon Monoxide and Smoke Alarm

Kidde P4010ACLEDSCOCA 120 VAC Integrated 3-in-1 LED Strobe and 10-Year Talking Smoke & CO Alarm

Combination Smoke and Carbon Monoxide Detector Alarm, Beeps Warning Smoke Co Alarm Clock for Travel Home Bedroom Living Room Basement Attics Cars, Battery Operated, Comply with UL 217/UL 2034, 1 Pack

Kidde 900-0263CO-CA Plug-in Carbon Monoxide Alarm (KN-COB-DP2CA), White, 1 Units