Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended PS7100600 MarvelXACT™ PEEKsil™ 100µm ID x 600mm Price on request 11-3889 Needle Seat Assembly, 0.12mm ID Price on request CTS-21010 Cartridge Check Valve Housing, 2/pk Price on request