Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-21010 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-21163 Rotor Seal, 2-Groove Price on request CTS-21278 Rotor seal, Injector Valve 1300 bar, G7167B Price on request CTS-21012 Compression Screws & Ferrules, 1/16", SS, 5/pk Price on request