Check Valve Cartridge, Ceramic, 2/pk Back Catalog number: CTS-21463 Availability: In the manufacturer's stock Price on request - + Recommended PS7075600 MarvelXACT™ PEEKsil™ 75µm ID x 600mm Price on request 11-4150 Tubing D-R Assembly Price on request CTS-11425 Sapphire Plunger Price on request