Combo Smoke and Carbon Monoxide Detectors - Ace Hardware
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
Kidde Combo Smoke and Carbon Monoxide Alarm P3010K - Walmart.com
Siterlink Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo, 2 in 1 Smoke and CO Detector with 2 AA Batteries Back Up, AC Smoke and CO Alarm, Voice Alert, Self-Check, 1 Pack - Amazon.com
Honeywell 5800COMBO - Smoke, Heat and CO Detector - Alarm Grid
Kidde Combination Smoke and Carbon Monoxide Detector with Voice Alert at Lowes.com
Kidde 21006377N Smoke Alarm & Carbon Monoxide Detector Combo With Voice 5.75 In 120V AC AA Ionization Hardwired Diameter White
2 in 1 CO & Smoke Detectors, Carbon Monoxide Detector,with 9V Battery,Digital Display, Smoke Detector Carbon Monoxide Detector Combo,Alarm for Home or Office,Easy to Install - Yahoo Shopping
Combination Smoke & Carbon Monoxide Detectors at Lowes.com