Needle Seal, PEEK™ SIL-20 Back Catalog number: CTS-11315 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10493 Check Valve Cartridge, 2/pk Price on request 11-3889 Needle Seat Assembly, 0.12mm ID Price on request CTS-3209 Syringe Seal, 250μL/2500μL Price on request