Inlet Check Valve Back Catalog number: CTS-A117 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4048 PEEK™ Needle Seal, SIL-30AC, SIL-30ACMP Price on request CTS-11119-02 Head Plunger Seal, 2/pk Price on request 11-2588 Main Piston Seal Price on request