First Alert Battery-operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
Kidde Combo Smoke and Carbon Monoxide Alarm P3010K - Walmart.com
First Alert SC9120B Hardwire Combination Smoke/Carbon Monoxide Alarm
First Alert SCO403 Carbon Monoxide and Smoke Detector (Combo Pack)
Kidde 10-Year Worry-Free Sealed Battery Combination Smoke and Carbon Monoxide Detector with Voice Alarm (3-Pack) 21030260 - The Home Depot
CHZHVAN Smoke Detector Carbon Monoxide Detector Combo, Dual Sensor Combination Smoke and CO Alarm Replaceable Battery Fire Alarm with LCD Display & Test Button for Travel, Home (Not Hardwired) - Amazon.com
5PCS AA Battery Power 2 in 1 Smoke Carbon Monoxide Combo Detector High Sensitive CO Smoke Alarm Fire Sensor with LED Indicator - AliExpress
First Alert 10-Year Battery-Operated Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com