Face Seals, 4/pk Back Catalog number: CTS-10989 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-0721 Outlet Check Valve Assembly Price on request PS7100350 MarvelXACT™ PEEKsil™ 100µm ID x 350mm Price on request CTS-5656 Sapphire Plunger Price on request