Nephelometer O-Ring, Replacement Back Catalog number: 385-0115-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-0914-01-R Tripod Mount, Adapts pump to camera style tripod f Price on request 910-0207-02 GilAir-3 Program [ATEX], Starter Kit, 230V, Euro P Price on request 800844-2-230 Gilibrator-2 Standard Flow Diagnostic Kit, 230V, E Price on request