Single Variable Flow Starter Kit (Includes 6x70mm, Back Catalog number: 800252 Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 800256 Single Variable Flow Kit, 7-10 x 150mm Price on request 780-0015-05-R Calibrator cable (Gilibrator 2-USB and Gilibrator Price on request 360-0138-01 Operation Manual/Software CD for Nephelometer, TSP Price on request