Check Valve, Cartridge Back Catalog number: CTS-21480 Availability: In the manufacturer's stock Price on request - + Recommended PS7050600 MarvelXACT™ PEEKsil™ 50µm ID x 600mm Price on request CTS-11297 Sapphire Plunger Price on request CTS-21287 Needle Kit, 15 µL with Needle Seat and Needle Guid Price on request