Needle Seal, PEEK™ SIL-20 Back Catalog number: CTS-11315 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-3889 Needle Seat Assembly, 0.12mm ID Price on request CTS-20612 Plunger Seal, Black Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request