BRK First Alert - SA350B Smoke Alarm - Dual Ionization Sensor - On Sale - Bed Bath & Beyond - 33116538
FIRST ALERT BRK SC9120B Hardwired Smoke and Carbon Monoxide Detector with Battery Backup and FIRST ALERT BRK9120b6CP Smoke Detector Alarm | Hardwired with Backup Battery - Amazon.com
BRK First Alert SCO500B Carbon Monoxide & Smoke Alarm, Wireless Batter– Wholesale Home