BRK SC7010BV AC 120 Volt Combo Smoke/Carbon Monoxide Alarm | NorthEast Electrical
First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
Kidde 10-Year Worry Free Smoke & Carbon Monoxide Detector, Lithium Battery Powered with Voice Alarm, 2-Pack 21029621 - The Home Depot
First Alert SCO7CN Combination Smoke and Carbon Monoxide Detector with Voice and Location, Battery Operated , White - Combination Smoke Carbon Monoxide Detectors - Amazon.com
Kidde Smoke & Carbon Monoxide Detector with Voice Alerts, Battery Powered, Combination Smoke & CO Alarm - Amazon.com