Check Valve Cartridge, 2/pk Back Catalog number: CTS-10493 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21278 Rotor seal, Injector Valve 1300 bar, G7167B Price on request CTS-10989 Face Seals, 4/pk Price on request CTS-21586 1100 Series Essential Pack, G1310A/G1311A Pump Price on request