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Kidde 21007588 Hardwired Interconnectable 120-Volt Smoke Alarm with Battery Backup, 4-Pack

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First Alert 10 Year Battery-Powered Ionization Smoke Detector

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USI - MI106S 2-in-1 Hardwired Smoke and Fire Alarm with 10 Year Sealed Battery Backup

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USI Electric Hardwired Ionization Smoke and Fire Alarm with Battery Backup

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First Alert 10-Year Battery Photoelectric Smoke Alarm with Safety Path Light

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Universal Security Instruments MI106S 2-in-1 Smoke & Fire Alarm

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First Alert 9120BFF Smoke Detector, Hardwired Alarm with Battery Backup, White, 1-Pack

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Honeywell R7847A1025 Rectification Flame Amplifier

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