Check Valve Cartridge, 2/pk Back Catalog number: CTS-10600 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended CTS-10319 Sapphire Plunger Price on request CTS-21155 Capillary, 300mm x 0.17mm ID, w/Fittings Price on request PS7025350 MarvelXACT™ PEEKsil™ 25µm ID x 350mm Price on request