Check Valve Assembly, Inlet Back Catalog number: 11-1598 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10600 Check Valve Cartridge, 2/pk Price on request 11-2587 Piston Seal Wash Seal/Priming Valve Seal Price on request CTS-10475-1 Sapphire Plunger Price on request