Check Valve Cartridge, 2/pk Back Catalog number: CTS-10493 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended PS7100350 MarvelXACT™ PEEKsil™ 100µm ID x 350mm Price on request CTS-A11151 Needle Assembly, PEEK™ Price on request PL7100600 MarvelXACT PLS 100µm x 600mm Price on request