Filter, Tissue Quartz, (99.90% retention of 0.3µm Back Catalog number: GF25TQ Manufacturer: SENSIDYNE Availability: In the manufacturer's stock Price on request - + Recommended 910-1601-NO Gilian 12 Starter Kit, No Cord Price on request 360-0138-01 Operation Manual/Software CD for Nephelometer, TSP Price on request 810-0901-01-R Basic Pump Only (No Dock) Price on request