Nephelometer Pump Assy, Replacement Back Catalog number: 380-0035-01 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800556 Pump Filter Kit (3 Filters, 3large o-rings, 3 small o-rings, screw), GilAir-3/5 Price on request 801012-100 Aircon-2 DC Programmable Area Air Sampling Pump, (No Power Module or Battery) Price on request 800485-171-2305 GilAir-3 R Pump, 5-Pack with Universal 5-Unit Charger, 230V Euro Style Plug Price on request