Check Valve Assembly, Inlet Back Catalog number: 11-1598 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-A11336-02 Cartridge, Intelligent Valve, 2/pk Price on request CTS-11149 Needle Seal O-Ring, 002 Kalrez Price on request CTS-7550 Performance Autosampler Needle Price on request