Plunger Seal and Back Up Ring Back Catalog number: 11-4126 Manufacturer: SCIENCIX Availability: In the manufacturer's stock Price on request - + Recommended 11-1599 Check Valve Assembly, Outlet Price on request CTS-21155 Capillary, 300mm x 0.17mm ID, w/Fittings Price on request CTS-10988 2690/2695 Performance Maintenance Kit Price on request