Check Valve Assembly, Inlet Back Catalog number: 11-1598 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-20612 Plunger Seal, Black Price on request CTS-5531-07 Solvent Bottle Filter, 7/pk Price on request CTS-21012 Compression Screws & Ferrules, 1/16", SS, 5/pk Price on request