SENTINEL COMBINATION CARBON MONOXIDE & SMOKE ALARM WITH VOICE ALARM | eBay
Smoke Detectors for sale in Chandler, Arizona | Facebook Marketplace | Facebook
Wired-In CO Alarms
SENTINEL® BATTERY-OPERATED SMOKE DETECTOR, 9 VOLTS per 6 Each - Walmart.com
Sentinel Part # 21010576 (i9010) - Sentinel Sentinel 10 Year Worry-Free Sealed Battery Smoke Detector With Ionization Sensor - Smoke Detectors - Home Depot Pro
Sentinel Part # 21009475 - Sentinel Sentinel Hardwired Smoke Detector With 9-Volt Battery Backup, Adapters, Ionization Sensor And Test/Hush Button - Smoke Detectors - Home Depot Pro