Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-1601 Seal, GFP, High Pressure, Piston Price on request CTS-A11342 Tube Assembly, Transducer to Check Valve Price on request 11-4116 Sample Needle Kit, 15µL Price on request