O-Ring, PTFE Back Catalog number: CTS-11092 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21095 Seal Wash (0.0787 ID, Fixed, Bio), 2/pk Price on request CTS-5531-07 Solvent Bottle Filter, 7/pk Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request