Inlet Check Valve Back Catalog number: CTS-A117 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-11435 Seal, Needle PEEK™ Price on request CTS-10396 Washer Thermo/Dionex™ Model: P1000, P2000, P4000 Price on request CTS-21129 Check Valve, Ti, Price on request