Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-10788-5 Needle Wash Frit, 5/pk Price on request CTS-10989 Face Seals, 4/pk Price on request CTS-5531-07 Solvent Bottle Filter, 7/pk Price on request