Check Valve Cartridge, Ceramic Ball & Seat, 2/pk Back Catalog number: 11-2401 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended PS7050350 MarvelXACT™ PEEKsil™ 50µm ID x 350mm Price on request CTS-A11151 Needle Assembly, PEEK™ Price on request CTS-2061 Plunger Seal, Gold Price on request