First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
Kidde Carbon Monoxide Detector, AA Battery Powered CO Alarm with LEDs, Test-Reset Button, Low Battery Indicator, Portable - Carbon Monoxide Detectors - Amazon.com
Qolsys IQ Carbon - Wireless CO Detector for Qolsys Security Systems - Alarm Grid
Kidde Kidde Smart Plug-In Carbon Monoxide with Indoor Air Quality Monitor 21031211 - The Home Depot
First Alert CO400 Basic Battery Operated Carbon Monoxide Alarm
Carbon Monoxide - Gig Harbor Fire & Medic One
Kidde Smoke & Carbon Monoxide Detector with Voice Alerts, Battery Powered, Combination Smoke & CO Alarm - Amazon.com
Kidde 10-Year Worry Free Smoke & Carbon Monoxide Detector, Lithium Battery Powered with Voice Alarm, 2-Pack 21029621 - The Home Depot