Check Valve, Cartridge Back Catalog number: CTS-21480 Availability: In the manufacturer's stock Price on request - + Recommended 11-4116 Sample Needle Kit, 15µL Price on request CTS-21163 Rotor Seal, 2-Groove Price on request PS7025150 MarvelXACT™ PEEKsil™ 25µm ID x 150mm Price on request