![First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup - Combination Smoke Carbon Monoxide Detectors - Amazon.com First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup - Combination Smoke Carbon Monoxide Detectors - Amazon.com](https://m.media-amazon.com/images/I/81jtEpjcWAL.jpg)
First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup - Combination Smoke Carbon Monoxide Detectors - Amazon.com
![First Alert Hardwired 120V Ionization Carbon Monoxide and Smoke Alarm - Bliffert Lumber and Hardware First Alert Hardwired 120V Ionization Carbon Monoxide and Smoke Alarm - Bliffert Lumber and Hardware](https://3783-cdn.doitbest.com/Data/ItemImage-500979-q5w7cw-fnnors-9xdsr7.jpg?AutoCrop=1&CropHeight=1440&CropWidth=1440&Height=1440&Padding=1&Quality=50&Resize=Auto&Revision=3k8q&Timestamp=c88xQG&Width=1440)
First Alert Hardwired 120V Ionization Carbon Monoxide and Smoke Alarm - Bliffert Lumber and Hardware
![FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup. 3-Pack , White - Amazon.com FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup. 3-Pack , White - Amazon.com](https://m.media-amazon.com/images/I/715UhOnphWL._AC_UF894,1000_QL80_.jpg)
FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup. 3-Pack , White - Amazon.com
![First Alert SC7010B 120V AC/DC Hardwired with 2 AA Batteries Backup Photoelectric Smoke Alarm and Carbon Monoxide Combo Alarm First Alert SC7010B 120V AC/DC Hardwired with 2 AA Batteries Backup Photoelectric Smoke Alarm and Carbon Monoxide Combo Alarm](https://cdn3.volusion.com/krfyq.gnkuo/v/vspfiles/photos/First-Alert-SC7010B-2.jpg?v-cache=1520385172)
First Alert SC7010B 120V AC/DC Hardwired with 2 AA Batteries Backup Photoelectric Smoke Alarm and Carbon Monoxide Combo Alarm
First Alert BRK Combo Smoke and Carbon Monoxide Alarm Hardwire Hearing Impaired ADA Approved 7030BSL
![First Alert BRK SC9120B-6 Hardwired Smoke and Carbon Monoxide Detector – E L E C T R I C * V O L T A GE First Alert BRK SC9120B-6 Hardwired Smoke and Carbon Monoxide Detector – E L E C T R I C * V O L T A GE](https://www.electricvoltage.com/cdn/shop/files/F414EF70-7E98-4E6F-A828-B49D413A4EBE_679x.jpg?v=1684603607)
First Alert BRK SC9120B-6 Hardwired Smoke and Carbon Monoxide Detector – E L E C T R I C * V O L T A GE
![First Alert Brk Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com First Alert Brk Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com](https://mobileimages.lowes.com/productimages/d24f936f-90fb-4976-87c2-c953154858a5/00416403.jpg?size=pdhism)
First Alert Brk Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
![First Alert SC9120B Direct Wire Combination Smoke and Carbon Monoxide Detector, 120 Volt 9 Volt Battery Back-up - 3 Pack - Walmart.com First Alert SC9120B Direct Wire Combination Smoke and Carbon Monoxide Detector, 120 Volt 9 Volt Battery Back-up - 3 Pack - Walmart.com](https://i5.walmartimages.com/seo/First-Alert-SC9120B-Direct-Wire-Combination-Smoke-and-Carbon-Monoxide-Detector-120-Volt-9-Volt-Battery-Back-up-3-Pack_009416ae-9d9f-471a-9a87-b5861adb2a86_1.3fce4d13df3b4be2a556ef946e4a7646.jpeg)
First Alert SC9120B Direct Wire Combination Smoke and Carbon Monoxide Detector, 120 Volt 9 Volt Battery Back-up - 3 Pack - Walmart.com
![First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup - Combination Smoke Carbon Monoxide Detectors - Amazon.com First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup - Combination Smoke Carbon Monoxide Detectors - Amazon.com](https://m.media-amazon.com/images/I/71bOL6iOrqL.jpg)
First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup - Combination Smoke Carbon Monoxide Detectors - Amazon.com
![FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup. 3-Pack , White - Amazon.com FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup. 3-Pack , White - Amazon.com](https://m.media-amazon.com/images/I/719Ly4yYQEL.jpg)
FIRST ALERT BRK SC9120B-3 Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup. 3-Pack , White - Amazon.com
![First Alert Brk 6-Pack Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com First Alert Brk 6-Pack Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com](https://mobileimages.lowes.com/productimages/08163474-7d23-4aab-899c-eb931d5ab07e/11204192.jpg?size=pdhism)
First Alert Brk 6-Pack Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com
![FIRST ALERT BRK SC9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 Pack & Alert BRK 9120B-3 Hardwired Smoke Alarm with Backup Battery, 3 Pack, White, 3 Count - Amazon.com FIRST ALERT BRK SC9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 Pack & Alert BRK 9120B-3 Hardwired Smoke Alarm with Backup Battery, 3 Pack, White, 3 Count - Amazon.com](https://m.media-amazon.com/images/I/41OIIC9qx0S._AC_UF894,1000_QL80_.jpg)
FIRST ALERT BRK SC9120B Hardwired Smoke and Carbon Monoxide (CO) Detector with Battery Backup, 1 Pack & Alert BRK 9120B-3 Hardwired Smoke Alarm with Backup Battery, 3 Pack, White, 3 Count - Amazon.com
![First Alert SC9120B Direct Wire Combination Smoke And Carbon Monoxide Detector, 120 Volt With 9 Volt Battery Back Up 2 Pack - Walmart.com First Alert SC9120B Direct Wire Combination Smoke And Carbon Monoxide Detector, 120 Volt With 9 Volt Battery Back Up 2 Pack - Walmart.com](https://i5.walmartimages.com/seo/First-Alert-SC9120B-Direct-Wire-Combination-Smoke-And-Carbon-Monoxide-Detector-120-Volt-With-9-Volt-Battery-Back-Up-2-Pack_f3dc8cd7-39bf-47ec-b111-e2ca5e685421_1.538f2b5ea7eead37a234d2ee65805ddf.jpeg)
First Alert SC9120B Direct Wire Combination Smoke And Carbon Monoxide Detector, 120 Volt With 9 Volt Battery Back Up 2 Pack - Walmart.com
![First Alert Brk Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com First Alert Brk Hardwired Combination Smoke and Carbon Monoxide Detector in the Combination Smoke & Carbon Monoxide Detectors department at Lowes.com](https://mobileimages.lowes.com/productimages/afbd510a-2861-4e07-a74d-f75c1bb9fbc7/07681765.jpg)