Outlet Check Valve Cartridge Back Catalog number: CTS-0620 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1596 Piston Assembly, Sapphire Price on request CTS-5559 Priming Syringe Needle Price on request CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request