Nephelometer Pump Assy, Replacement Back Catalog number: 380-0035-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 811-9927-02 Cyclone, BGI4L O-Ring Kit & Gasket Kit Price on request GC7345PC Cassette, 37mm, 3 pc, 0.4µm Polycarbonate, 50/Box Price on request GF47500PVC Filter, PVC, 5.0µm 47mm, 100/Pack Price on request