Injector Needle Back Catalog number: CTS-10724 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10323 Sapphire Plunger Price on request 11-4073 LC-30AD Plunger Holder Assembly, UHP2 (w/Diaphragm Price on request CTS-10493 Check Valve Cartridge, 2/pk Price on request