Needle Seal, Vespel® Back Catalog number: CTS-10686 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21243 1/16'' Ferrule set, 2/pk Price on request CTS-A11133 Tube Assembly, Transducer to Check Valve Price on request CTS-0721 Outlet Check Valve Assembly Price on request