Compression Screw, SS Back Catalog number: CTS-5313 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2891 PTFE Diaphragm, 2/pk Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request CTS-5531-05 Solvent Bottle Filter, 5/pk Price on request