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 811-0940-01-R Inlet Filter Replacement Housing for GilAir Plus Price on request 375-0008-01 Protective Rubber Boot for Nephelometer Price on request 800270-2 Gilibrator-2, High Flow Kit, 230V, Euro Cord Price on request