Filter, Tissue Quartz, (99.90% retention of 0.3µm Back Catalog number: GF37TQ Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 850082 PC Cable, Flow Monitoring Software Kit (cable only Price on request 385-0114-01 Zero Cap, Black Rubber for Nephelometer Price on request KB-3 Kynar Bag 3.0L Price on request