O-Ring, PTFE Back Catalog number: CTS-11092 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10692 HPMV Gold Seals, 2/pk Price on request 11-4179 HPV Rotor, SIL-30AC, SIL-30ACMP Price on request CTS-11335 ACQUITY H-Class QSM Performance Maintenance Kit Price on request