System Sensor
System Sensor DST1.5 1.5ft Duct Sampling Tube
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System Sensor DST1.5 1.5-foot duct smoke detector sampling tube. Duct smoke detector sampling tube (1.5 feet) for DH-Series duct housings. Inserted across HVAC duct width to collect air sample for smoke detection. Length must match duct width per NFPA 90A.
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