Needle Seal, Vespel® Back Catalog number: CTS-10686 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-5656 Sapphire Plunger Price on request CTS-21243 1/16'' Ferrule set, 2/pk Price on request CTS-21564 Needle, Uncoated 10 Series Price on request