First Alert BRK Smoke and Carbon Monoxide Alarm – Sunco Lighting
First Alert Battery Operated CO Detector - Clancy Outdoors
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 Wireless Interconnect Talking Battery Operated Smoke & Carbon Monoxide Alarm 1039839 from First Alert - Acme Tools