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 783-0015-01 Lithium Ion Replacement Battery Pack for Nephelometer Price on request 800106 Yoke Assembly, LFS-113 Price on request 910-0910-NO-R GilAir-Plus Data Logging Single Starter Kit, Bluetooth, No cord Price on request