Needle Seal, Vespel® Back Catalog number: CTS-10686 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21012 Compression Screws & Ferrules, 1/16", SS, 5/pk Price on request CTS-21262 Needle, Uncoated 20 Series Price on request CTS-A094 Check Valve Cartridge, 2/pk Price on request