Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-2588 Main Piston Seal Price on request CTS-20612 Plunger Seal, Black Price on request CTS-21169 Assy, Capillary, 90mm x 0.17mm ID, w/Fittings Price on request