First Alert SC7010B Hardwired Photoelectric Smoke/Carbon Monoxide Alarm
First Alert 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
First Alert Hardwired 120V Electrochemical/Ionization Carbon Monoxide and Smoke Alarm - Old Monroe Lumber Co. Inc.