Check Valve Cartridge, 2/pk Back Catalog number: CTS-10600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21566 PM Kit, Seal Wash for Binary Pump G4204A Price on request 11-2642 Needle Port Seal, AS-100, ASI-100T Price on request CTS-21015 Ferrule, 1/16", SS, 3/pk Price on request