O-Ring, PTFE Back Catalog number: CTS-11092 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A125 Inlet Check Valve Assembly Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request CTS-12016 Compression Screw, 1/16", SS, 10/pk Price on request