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Amazon.com: SYSTEM SENSOR CO1224T Detector de monóxido de carbono C02 de 12/24 voltios, 4 hilos, monitoreado por el sistema con tecnología RealTest : Herramientas y Mejoras del Hogar
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System Sensor Carbon Monoxide Detector CO1224TR with RealTest 12/24 VDC: Smoke Detectors: Amazon.com: Tools & Home Improvement
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