Oil Seal Back Catalog number: CTS-5669 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2891 PTFE Diaphragm, 2/pk Price on request 11-4052 Needle Seal, SIL-30AC, SIL-30ACMP Price on request CTS-21155 Capillary, 300mm x 0.17mm ID, w/Fittings Price on request