Cartridge Check Valve Housing, 2/pk Back Catalog number: CTS-21010 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-3889 Needle Seat Assembly, 0.12mm ID Price on request PS7050600 MarvelXACT™ PEEKsil™ 50µm ID x 600mm Price on request CTS-A11336 Cartridge, Intelligent Valve Price on request