Nephelometer O-Ring, Replacement Back Catalog number: 385-0115-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0944-03-R GilAir Plus, STP to STP BlueTooth and Motion Upgra Price on request 360-0049-01 Manual, Gilibrator-2 Flow Monitoring Software Price on request 200904 Latex Tubing, 1/4" ID (18"), Standard/High Flow, G Price on request