Check Valve, Double Ball & Seat Back Catalog number: CTS-A11095 Manufacturer: SCIENCIX Availability: 3 weeks Price on request - + Recommended 11-2591 Needle Guide Price on request 11-3889 Needle Seat Assembly, 0.12mm ID Price on request CTS-21169 Assy, Capillary, 90mm x 0.17mm ID, w/Fittings Price on request