250μL Syringe Tip Back Catalog number: CTS-3195 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request 11-2891 PTFE Diaphragm, 2/pk Price on request CTS-21243 1/16'' Ferrule set, 2/pk Price on request