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(3-Pack) Hardwired & 10-Year Battery Backup Smoke Detector with Ionization Sensor(3-Pack) Hardwired & 10-Year Battery Backup Smoke Detector with Ionization Sensor
(4 / 15)
Model# USI/SM/HW10YR/3
$99.97
($33.32 /unit)
Buy 4 or more $89.97

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10-Year Battery Combination Smoke and Carbon Monoxide Detector with Voice Alarm and LED Warning Light10-Year Battery Combination Smoke and Carbon Monoxide Detector with Voice Alarm and LED Warning Light
(4.4 / 56)
Model# USI/SMCO/10YR/V
$64.97
Buy 4 or more $58.47
Hardwired Smoke Detector with 10-Year Battery Backup, Voice Alerts, Interconnectable and LED Warning Lights 21033154
(4.4 / 162)
Model# 21033154
$46.77

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(3-Pack) 10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor(3-Pack) 10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor
(4.1 / 57)
Model# USI/SM/10YR/MINI/3
$79.97
($26.66 /unit)
Buy 4 or more $71.97
Firex AA Battery Powered Digital Carbon Monoxide Detector 21030262Firex AA Battery Powered Digital Carbon Monoxide Detector 21030262
(4.6 / 566)
Model# 21030262
$27.97

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Hardwired and 10-Year Battery Combination Smoke and Carbon Monoxide Detector with Voice Alert and LED Warning LightHardwired and 10-Year Battery Combination Smoke and Carbon Monoxide Detector with Voice Alert and LED Warning Light
(4.4 / 56)
Model# USI/SMCO/HW10YR/P
$69.97
Buy 4 or more $62.97
(3-Pack) 10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor(3-Pack) 10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor
Model# USI/SM/10YR/MINI/3CA
$79.97
($26.66 /unit)
Buy 4 or more $71.97

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(3-Pack) Hardwired and 1-Year Replaceable Battery Backup Smoke Detector with Photoelectric Sensor(3-Pack) Hardwired and 1-Year Replaceable Battery Backup Smoke Detector with Photoelectric Sensor
(4.3 / 43)
Model# USI/SM/HWREP/3
$79.97
($26.66 /unit)
Buy 4 or more $71.97

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(3-Pack) 10-Year Battery Powered Smoke and Fire Detector with Ionization Sensor(3-Pack) 10-Year Battery Powered Smoke and Fire Detector with Ionization Sensor
(4.7 / 43)
Model# USI/SM/10YR/3
$79.97
($26.66 /unit)

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Hardwired and 3-Year Replaceable Battery Backup Combination Smoke and Carbon Monoxide Detector w/ Voice AlarmHardwired and 3-Year Replaceable Battery Backup Combination Smoke and Carbon Monoxide Detector w/ Voice Alarm
(4.4 / 25)
Model# USI/SMCO/HWREP
$64.97
Buy 4 or more $58.47

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10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor
(4.1 / 57)
Model# USI/SM/10YR/MINI
$29.97

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10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor10-Year Battery Powered Mini Smoke and Fire Detector with Photoelectric Sensor
Model# USI/SM/10YR/MINI/CA
$29.97