First Alert PRC700 Slim Design Battery-Operated Combo Smoke & CO Allarm | First Alert
Kidde Code One Smoke & Carbon Monoxide Detector Powered by 2-AA Battery 21032244 - The Home Depot
First Alert Brk Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
Smoke and Carbon Monoxide Detector Battery Powered Dual Sensor Combination Smoke & CO Alarm with LCD Screen, Led Indicator and Loud Sound Alert, Complies with UL 217 & UL 2034 Standards - Amazon.com
First Alert Smoke and Carbon Monoxide Alarm | Meijer