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Kidde Fire Sentry Battery Operated 4-inch Smoke Detector, with 85 decibel alarm, 2 pack - Walmart.com
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Kidde Code One Smoke Detector, Battery Powered with Ionization Sensor, Smoke Alarm 21008051 - The Home Depot
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Kidde Fire Sentry Battery Operated 4-inch Smoke Detector, with 85 decibel alarm, 2 pack - Walmart.com
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Kidde Fire Sentry Smoke Detector, 9V Battery Powered Smoke Alarm, 4 Inch Compact Design - Amazon.com
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