Seal, Needle PEEK™ Back Catalog number: CTS-11435 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request CTS-21480 Check Valve, Cartridge Price on request CTS-2294 Plunger Seal Price on request