Inlet Check Valve Back Catalog number: CTS-A145 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A094 Check Valve Cartridge, 2/pk Price on request CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request CTS-11435 Seal, Needle PEEK™ Price on request