Needle Seal, Vespel® Back Catalog number: CTS-10686 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-3195 250μL Syringe Tip Price on request CTS-A11145 Tube Assy, System Outlet, SDS Price on request CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request