Filter Cassette Holder Kit (required when sampling Back Catalog number: 800143 Manufacturer: SENSIDYNE Availability: 3 weeks Price on request - + Recommended GF25TQ Filter, Tissue Quartz, (99.90% retention of 0.3µm Price on request 800311 Cable Assembly for Printer PN 700721, Gilibrator-2 Price on request 910-1305-NO Gilian 800i,5-Pack Kit, No Cord Price on request