Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-1598 Check Valve Assembly, Inlet Price on request CTS-10600 Check Valve Cartridge, 2/pk Price on request PS7075350 MarvelXACT™ PEEKsil™ 75µm ID x 350mm Price on request