Inlet Check Valve Back Catalog number: CTS-A102 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4181 Seal Wash (0.0787 ID, Fixed), 2/pk Price on request CTS-10391 Plunger Wash Seal Price on request CTS-11141 ACQUITY SM Performance Maintenance Kit, 700005236 Price on request