Check Valve Cartridge, 2/pk Back Catalog number: CTS-A094 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-1599 Check Valve Assembly, Outlet Price on request CTS-21278 Rotor seal, Injector Valve 1300 bar, G7167B Price on request CTS-10759 Piston Seal Backup Ring Price on request