Nephelometer O-Ring, Replacement Back Catalog number: 385-0115-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 298-0013-01 Gilian 800i/5000/10i/12 Single Charger, 120V/240V, Price on request 910-1701-EU-R Gilibrator 3 Deluxe Kit, All Three Dry Cell Sizes Price on request 850082 PC Cable, Flow Monitoring Software Kit (cable only Price on request