250μL Syringe Tip Back Catalog number: CTS-3195 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2642 Needle Port Seal, AS-100, ASI-100T Price on request CTS-21463 Check Valve Cartridge, Ceramic, 2/pk Price on request CTS-5669 Oil Seal Price on request