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First Alert Hardwired Heat Alarm with Battery Backup, BRK Brands HD6135FB - Combination Smoke Carbon Monoxide Detectors - Amazon.com
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First Alert Hardwired Heat Alarm with Battery Backup, BRK Brands HD6135FB - Combination Smoke Carbon Monoxide Detectors - Amazon.com
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BRK Brands 7010B Hardwire Smoke Alarm with Photoelectric Sensor and Battery B... - Bed Bath & Beyond - 11659204
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