First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
First Alert Smoke and Carbon Monoxide Alarm | Wayfair
First Alert Plug-in Carbon Monoxide Detector in the Carbon Monoxide Detectors department at Lowes.com
First Alert Plug-In w/Battery Back-up Electrochemical Carbon Monoxide Detector
First Alert Plug-In Carbon Monoxide Alarm - Pack of 12 1040960 from First Alert - Acme Tools
First Alert Smoke and Carbon Monoxide Alarm
First Alert 1039787 Smoke and Carbon Monoxide Alarm, Photoelectric Sensor, Twist-lock, White