$72.97and up
First Alert Hard-Wired w/Battery Back-up Ionization Smoke/Fire DetectorWalmart & 2 more$41.00and up
First Alert 9120B Smoke Detector, Hardwired Alarm with Battery Backup, 3-PackAmazon & 1 more$79.99and up
First Alert Z-Wave Plus Battery-Powered Photoelectric Smoke and Carbon Monoxide Detector w/Wi-FiAce Hardware & 3 more$18.71
First Alert 9120BFF Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-PackAmazon$23.47and up
First Alert BRK SCO2B Smoke and Carbon Monoxide (CO) Detector with 9V Battery , White, 1 PackAmazon & 1 more$16.98and up
First Alert Battery-operated Ionization Sensor Smoke Detector in White | 1046827Lowe's & 2 more$25.99and up
First Alert Battery-Powered Ionization Smoke DetectorAce Hardware & 1 more$49.98and up
First Alert 10-Year Battery 2-Pack Battery-operated Photoelectric Sensor Smoke Detector in White | 1042409Lowe's & 3 more$25.14
First Alert BRK Lithium Battery Smoke Detector FG250LBAmazon$24.17
FIRST ALERT BRK 9120LBL Hardwired Smoke Detector with Battery BackupAmazon$35.97and up
First Alert 10-Year Battery-operated Photoelectric Sensor Smoke Detector in White | 1039856Lowe's & 1 more$25.99and up
First Alert Slim Battery-Powered Photoelectric Smoke DetectorAce Hardware & 1 more$22.99and up
First Alert Hard-Wired w/Battery Back-up Ionization Smoke DetectorWalmart & 2 more$19.98and up
First Alert Hardwired Ionization Sensor Smoke Detector in White | 1039808-SA9120BPCN-6Lowe's & 1 more$68.54
First Alert SA511CN2-3ST Wireless Interconnect Smoke Detector (2-Pack)Walmart$41.97
First Alert PR700 Slim Photoelectric Smoke Alarm | Battery Operated Smoke Detector (Pack of 3)Amazon$35.99and up
First Alert Voice Alert Hard-Wired Photoelectric Smoke DetectorWalmart & 2 more$70.95and up
First Alert Wireless Interconnect Battery-Powered Photoelectric Smoke DetectorWalmart & 1 more$22.98and up
First Alert 10-Year Battery-operated Ionization Sensor Smoke Detector in White | 0827BLowe's & 1 more$23.09and up
First Alert 2 Pack Battery-Powered Ionization Smoke DetectorWalmart & 2 more$21.93
First Alert BRK 7010B Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup , WhiteAmazon$42.98
First Alert BRK Hardwired Heat Detection Smoke Detector in White | HD6135FBLowe's$29.99and up
FIRST ALERT BRK 9120LBL Hardwired Smoke Detector with Adapter Plugs for Easy Replacement , WhiteAmazon & 1 more$21.99
First Alert Battery-Powered Ionization Smoke/Fire DetectorAce Hardware$43.98and up
First Alert Battery-operated Photoelectric Sensor Smoke Detector with Voice Alert in White | 1039826-SA511CN-6Lowe's & 2 more$16.98
First Alert Battery-operated Ionization Sensor Smoke Detector in White | 1046846Lowe's$41.99and up
First Alert Wireless Interconnect Battery-Powered Photoelectric Smoke DetectorAce Hardware & 1 more$17.57and up
First Alert Hardwired Photoelectric Sensor Smoke Detector with Voice Alert in White | 1039830-SA521CN-3STLowe's & 1 more$26.99
First Alert 10 Year Battery-Powered Ionization Smoke DetectorAce Hardware$28.98and up
First Alert 10-Year Battery-operated Photoelectric Sensor Smoke Detector in White | 1039851-PR710-6Lowe's & 1 more$16.99
First Alert BRK Hardwired Photoelectric Sensor Smoke Detector in White | 7010B-6Lowe's$19.98
First Alert BRK Hardwired Ionization Sensor Smoke Detector in White | 9120BP-12STLowe's$97.99
First Alert BRK 9120Bff-6 Hardwired Smoke Detector with Battery Backup, 6-PackAmazon$61.98and up
First Alert 10-Year Battery-operated Photoelectric Sensor Ionization Sensor Smoke Detector in White | 1039841-SA3210-6Lowe's & 1 more$28.99
First Alert Battery-Powered Ionization/Photoelectric Dual Sensor Smoke DetectorAce Hardware$29.98and up
First Alert 10-Year Battery-operated Photoelectric Sensor Smoke Detector in White | 1046731Lowe's & 2 more$12.99
First Alert FG200B Family Gard Basics Smoke Alarm 1-Pack | Battery Operated Smoke Detector , WhiteAmazon$13.98and up
First Alert 2-Pack Battery-operated Ionization Sensor Smoke Detector in White | FG200B2Lowe's & 1 more$34.98
First Alert BRK Hardwired Photoelectric Sensor Smoke Detector with Voice Alert in White | 1046720Lowe's$89.77and up
First Alert BRK 7020BSL Hardwired Hearing Impaired Smoke Detector with LED Strobe Light , whiteAmazon & 1 more$20.97
First Alert FG200 Family Gard Basics Smoke Alarm (Pack of 3) | Battery Operated Smoke Detector , WhiteAmazon$99.00and up
First Alert Hard Wired with Battery Back-Up Photoelectric Smoke DetectorWalmart & 4 more$37.56and up
First Alert 2 Pack 10 year Battery-Powered Photoelectric Smoke DetectorWalmart & 2 more$36.99
First Alert FG200B Family Gard Basics Smoke Alarm, 2 Count (Pack of 3) | Battery Operated Smoke Detector , WhiteAmazon$85.98
FIRST ALERT BRK 3120B-3 Hardwired Smoke Detector with Photoelectric and Ionization with Battery Backup, 3-PackAmazon$99.00
First Alert BRK 7010BFF-6 Hardwired Smoke Detector with Photoelectric Sensor and Battery Backup, 6-Pack , WhiteAmazon$153.89and up
FIRST ALERT BRK 3120B-6 Hardwired Smoke Detector with Photoelectric and Ionization with Battery Backup, 6-Pack , WhiteAmazon & 1 moreSAVE $3.99
$16.00$19.99
First Alert FG250 BRK Brands, Inc FG250RV Detector Smoke 9VAmazon$39.98
First Alert 10-Year Battery-operated Photoelectric Sensor Smoke Detector in White | 1046750Lowe's$36.98
First Alert 10-Year Battery Hardwired Photoelectric Sensor Smoke Detector in White | 1042735Lowe's$69.98and up
First Alert 10-Year Battery Hardwired Combination Smoke and Carbon Monoxide Detector in White | 1039806Lowe's & 1 more$37.98and up
First Alert 10-Year Battery Hardwired Ionization Sensor Smoke Detector in White | 1046848Lowe's & 1 more$33.98and up
First Alert BRK Hardwired Photoelectric Sensor Ionization Sensor Smoke Detector in White | 3120BLowe's & 2 more$29.95and up
First Alert Battery Powered Z-Wave Smoke Detector & Carbon Monoxide Alarm, Works with Ring Alarm Base Station, 2nd GenerationAmazon & 3 more$29.98
First Alert Brk 10-Year Battery Hardwired Ionization Sensor Smoke Detector in White | 9120LBLLowe's$24.98
First Alert BRK 10-Year Battery-operated Ionization Sensor Smoke Detector in White | 1046857Lowe's$34.98and up
First Alert 10-Year Battery-operated Photoelectric Sensor Smoke Detector with Voice Alert in White | 1046755Lowe's & 2 more$120.20
First Alert BRK SC9120B Smoke Carbon Monoxide Detector w/ Batt Backup (3 Pack)Newegg$33.99and up
First Alert SA303CN3 Smoke and CO400 Carbon Monoxide Detector, Alarm Combo Pack, Battery PoweredAmazon & 1 more$42.99and up
First Alert 10 Year With Path Light Battery-Powered Photoelectric Smoke DetectorAce Hardware & 1 more