Inlet Check Valve Back Catalog number: CTS-A159 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-21012 Compression Screws & Ferrules, 1/16", SS, 5/pk Price on request CTS-21422 Needle Seal Kit Price on request CTS-10692 HPMV Gold Seals, 2/pk Price on request