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 800772 Impinger, S-P, Micro, PVC Coated glass (2 oz./50m Price on request 850190M Manual, Gilibrator-2 Price on request 811-1004-03 TSP Inlet, Replacement for Models 810-1002 and 810 Price on request