3/8" ID PVC Tubing, per foot Back Catalog number: 563-0609-06-R Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 385-0112-01 Sheath Air Purge Flow Filter for Nephelometer Price on request 811-1004-03 TSP Inlet, Replacement for Models 810-1002 and 810 Price on request 911-9901-NO-R Single Unit Charger w/ Power Adapter, USB GilAir-3 Price on request