The SILENT-KNIGHT-STS-5.0 is an air sampling tube for ducts 2.5 - 5 feet wide. This tube is used with the SD505-ADHR and SD505-ADTS.
UPC: 786692020013
Also known as: SK-STS50, STS50, SK-STS50, STS50
For more information about the Silent Knight STS-5.0, please
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