Use the Umbilical to seamlessly connect a digital gauge to a Model 200 duct tester. The color coded tubes make connections super easy and eliminate mistakes. Special tapered connectors mean they will not leak. The umbilical keeps all tubes and cables in one neat bundle; the yellow tube, green tube and speed control cable for the fan connection as well as a 20 ft blue tube to put into the ductwork, making testing and set up extremely efficient.
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