Sapphire Plunger Back Catalog number: CTS-3102 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10600 Check Valve Cartridge, 2/pk Price on request CTS-21278 Rotor seal, Injector Valve 1300 bar, G7167B Price on request CTS-6613 Black Plunger Seal Price on request