Needle Guide Back Catalog number: 11-2591 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11094-02 UPLC Primary Check Valve Assy, 2/pk Price on request CTS-11080 Alliant Solvent Mgr PM Kit Price on request 11-1596 Piston Assembly, Sapphire Price on request