Check Valve, Secondary Inlet Back Catalog number: 11-1600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4116 Sample Needle Kit, 15µL Price on request CTS-21012 Compression Screws & Ferrules, 1/16", SS, 5/pk Price on request CTS-21469 250 μL Syringe, High Pressure Price on request