Check Valve Assembly, Inlet Back Catalog number: 11-1598 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-4052 Needle Seal, SIL-30AC, SIL-30ACMP Price on request CTS-10493 Check Valve Cartridge, 2/pk Price on request CTS-6613 Black Plunger Seal Price on request