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SITERWELL Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo with 2 AA Batteries Back Up, 2
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Siterlink Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo, 2 in 1 Smoke and CO Detector with 2 AA Batteries Back Up, AC Smoke and CO Alarm, Voice Alert, Self-Check, 1 Pack - Amazon.com
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First Alert 3120B Hardwired Photoelectric and Ionization Combo Smoke Alarm with battery Backup | Smoke Alert
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Kidde Firex Smoke & Carbon Monoxide Detector, Hardwired with nine-V Battery Backup & Voice Alarm, 3-Pack 21029901 - The Home Depot
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Kidde Hardwired Smoke & Carbon Monoxide Detector, AA Battery Backup, Interconnectable, LED Warning Light Indicators - Amazon.com
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CHZHVAN Smoke Detector Carbon Monoxide Detector Combo, Dual Sensor Combination Smoke and CO Alarm Replaceable Battery Fire Alarm with LCD Display & Test Button for Travel, Home, 2 Pack (Not Hardwired) -
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Siterlink Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo, 2 in 1 Smoke and CO Detector with 2 AA Batteries Back Up, AC Smoke and CO Alarm, Voice Alert, Self-Check, 6 Pack - Amazon.com
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