Nephelometer O-Ring, Replacement Back Catalog number: 385-0115-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800252 Single Variable Flow Starter Kit (Includes 6x70mm, Price on request 811-9901-01 Gilian Bag Sampling Kit with Jar (Use SC-1 or SC-3 Price on request 910-0915-EU-R GilAir-Plus STP 3-Pump Starter Kit, Bluetooth, Eur Price on request