First Alert 10-Year Battery Hardwired 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
BRK First Alert SCO500B Carbon Monoxide & Smoke Alarm, Wireless Batter– Wholesale Home
Kidde Battery Operated Smoke & Carbon Monoxide Detector with LED Lights & Voice Alerts - Walmart.com
Kidde Smoke & Carbon Monoxide Detector with Voice Alerts, Battery Powered, Combination Smoke & CO Alarm - Amazon.com