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BRK Brands 120-Volt Hardwire, Ionization Sensor Smoke Alarm Detector Perfect Mount with Battery Backup 9120B - The Home Depot
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First Alert BRK 10-Year Battery Hardwired Photoelectric Sensor Smoke Detector in White | 1043637 - Yahoo Shopping
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First Alert BRK Hardwired Smoke Alarm With LED Strobe Light and 10-Year Sealed Battery | Canadian Tire
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First Alert And The National Volunteer Fire Council Team Up To Offer Carbon Monoxide Safety Training Course And Free Alarms
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First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup : Amazon.co.uk: DIY & Tools
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First Alert 7010B Hardwired Photoelectic Smoke Alarm With Battery Backup: Fire & Smoke Alarms & Accessories (029054112019-1)
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First Alert BRK SC-9120B Hardwired Smoke and Carbon Monoxide Alarm with Battery Backup : Amazon.co.uk: DIY & Tools
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BRK/First Alert RM4 relay module + Shelly Plus i4 UL = smart smoke and CO detectors : r/homeassistant
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First Alert Brk Battery-operated Carbon Monoxide Detector with Voice Alert in the Carbon Monoxide Detectors department at Lowes.com
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