Gold Plunger Seal Back Catalog number: CTS-10963 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request 11-4116 Sample Needle Kit, 15µL Price on request CTS-5531-07 Solvent Bottle Filter, 7/pk Price on request