Cartridge Check Valve System Kit Back Catalog number: CTS-21011 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended CTS-21169 Assy, Capillary, 90mm x 0.17mm ID, w/Fittings Price on request CTS-10711 Alliance Head Plunger Seal Kit, Black, 2/pk Price on request CTS-10724 Injector Needle Price on request