G.E. Sensing/General Eastern G.E. Sensing/General Eastern P40250117 2% DUCT HUMITRAC SENSOR MSRP: Price: 2099-12-31 $260.56 The G.E. Sensing/General Eastern P40250117 2% DUCT HUMITRAC SENSOR is a humidity sensor designed to be used in air conditioning and heating systems. The sensor is designed to be mounted in a duct to... Add to Cart Add to Cart