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Kidde Fire Sentry Smoke Detector, 9V Battery Powered Smoke Alarm, 4 Inch Compact Design & Smoke Detector, Battery Powered with Test Button - - Amazon.com
KIDDE SMOKE ALARM, HUSH, 9 VOLT BATTERY, 4.4 ° C TO 37.8 ° C, 6 X 12.5 X 6 X 1 1/2 IN - Carbon Monoxide and Smoke Detectors - PRY0916KCA | 0916KCA - Grainger, Canada
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