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 GH37C Housing, 37mm, Conductive 3pc, 50/Box Price on request 811-1004-03 TSP Inlet, Replacement for Models 810-1002 and 810 Price on request 201119 Filter inside low flow modules 800518 & 800519 Price on request