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Compact 4 in. Battery Powered Smoke Detector with Photoelectric Sensor (4-Pack) 21031438Compact 4 in. Battery Powered Smoke Detector with Photoelectric Sensor (4-Pack) 21031438
(4.5 / 148)
Model# 21031438
$64.97
($16.24 /unit)
Buy 4 or more $58.47
Battery Powered Smoke Detector with Photoelectric Sensor 21031447Battery Powered Smoke Detector with Photoelectric Sensor 21031447
(4.5 / 139)
Model# 21031447
$26.97
Buy 4 or more $24.27

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Compact 4 in. Battery Powered Smoke Detector with Photoelectric Sensor 21031428Compact 4 in. Battery Powered Smoke Detector with Photoelectric Sensor 21031428
(4.5 / 148)
Model# 21031428
$17.97
Buy 4 or more $16.17

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Battery Powered Smoke Detector with Photoelectric Sensor (3-Pack) 21031448Battery Powered Smoke Detector with Photoelectric Sensor (3-Pack) 21031448
(4.5 / 139)
Model# 21031448
$74.97
($24.99 /unit)
Buy 4 or more $67.47