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 800272-2 Gilibrator-2, Low Flow Kit, 230V, Euro Cord Price on request 910-1705-EU-R Gilibrator 3Low Flow and Standard Flow Dry Cell K Price on request 297-0012-01 USB Communications Cable for Nephelometer Price on request